diff --git a/bsp/stm32/stm32f746-st-disco/.config b/bsp/stm32/stm32f746-st-disco/.config
index ce3efbd2ea..2254341da1 100644
--- a/bsp/stm32/stm32f746-st-disco/.config
+++ b/bsp/stm32/stm32f746-st-disco/.config
@@ -62,7 +62,7 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
-CONFIG_RT_VER_NUM=0x40000
+CONFIG_RT_VER_NUM=0x40001
 CONFIG_ARCH_ARM=y
 CONFIG_ARCH_ARM_CORTEX_M=y
 CONFIG_ARCH_ARM_CORTEX_M7=y
@@ -112,6 +112,7 @@ CONFIG_RT_USING_DEVICE_IPC=y
 CONFIG_RT_PIPE_BUFSZ=512
 CONFIG_RT_USING_SERIAL=y
 CONFIG_RT_SERIAL_USING_DMA=y
+CONFIG_RT_SERIAL_RB_BUFSZ=64
 # CONFIG_RT_USING_CAN is not set
 # CONFIG_RT_USING_HWTIMER is not set
 # CONFIG_RT_USING_CPUTIME is not set
@@ -128,6 +129,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
+# CONFIG_RT_USING_SENSOR is not set
 
 #
 # Using WiFi
@@ -306,7 +308,10 @@ CONFIG_SOC_STM32F746NG=y
 # Onboard Peripheral Drivers
 #
 CONFIG_BSP_USING_USB_TO_USART=y
+# CONFIG_BSP_USING_SDRAM is not set
 # CONFIG_BSP_USING_QSPI_FLASH is not set
+# CONFIG_BSP_USING_ETH is not set
+# CONFIG_BSP_USING_SDCARD is not set
 
 #
 # On-chip Peripheral Drivers
@@ -316,6 +321,7 @@ CONFIG_BSP_USING_UART=y
 CONFIG_BSP_USING_UART1=y
 # CONFIG_BSP_UART1_RX_USING_DMA is not set
 # CONFIG_BSP_USING_QSPI is not set
+# CONFIG_BSP_USING_SDIO is not set
 
 #
 # Board extended module Drivers
diff --git a/bsp/stm32/stm32f746-st-disco/README.md b/bsp/stm32/stm32f746-st-disco/README.md
index 92b731c29b..c5a7f557b8 100644
--- a/bsp/stm32/stm32f746-st-disco/README.md
+++ b/bsp/stm32/stm32f746-st-disco/README.md
@@ -39,10 +39,10 @@ STM32F746-disco 是 ST 推出的一款基于 ARM Cortex-M7 内核的开发板，
 | **板载外设**      | **支持情况** | **备注**                              |
 | :----------------- | :----------: | :------------------------------------- |
 | USB 转串口   |     支持     |              UART1                  |
-| QSPI Flash        |   支持    |                                       |
-| 以太网            |   暂不支持    |                               |
-| SDRAM             |  暂不支持     |                                       |
-| SD卡              |   暂不支持   |                           |
+| QSPI Flash        |   支持    |           QSPI1                            |
+| 以太网            |   支持    |            RMII                   |
+| SDRAM             |  支持     |            SDRAM1                           |
+| SD卡              |   支持   |            SD 4bits               |
 | 4.3寸电容屏       |   暂不支持   |                               |
 | MEMS麦克风        |   暂不支持   |                               |
 
@@ -55,7 +55,7 @@ STM32F746-disco 是 ST 推出的一款基于 ARM Cortex-M7 内核的开发板，
 | I2C               |  暂不支持    | 即将支持                        |
 | FLASH             |  暂不支持    | 即将支持                        |
 | WDT               |  暂不支持    | 即将支持                        |
-| SDIO              |   暂不支持   | 即将支持                              |
+| SDIO              |   支持   | 支持                              |
 | USB Device        |   暂不支持   | 即将支持                              |
 | USB Host          |   暂不支持   | 即将支持                              |
 | SAI               |   暂不支持   | 即将支持                              |
diff --git a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/.mxproject b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/.mxproject
index ceb422a85f..72b7d6a5ee 100644
--- a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/.mxproject
+++ b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/.mxproject
@@ -5,9 +5,9 @@ SourcePath=E:/rt-thread/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src
 SourceFiles=stm32f7xx_it.c;stm32f7xx_hal_msp.c;main.c;
 
 [PreviousLibFiles]
-LibFiles=Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_cortex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_qspi.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_def.h;Drivers/STM32F7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c_ex.h;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_qspi.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_uart.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_cortex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_qspi.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_def.h;Drivers/STM32F7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c_ex.h;Drivers/CMSIS/Device/ST/STM32F7xx/Include/stm32f746xx.h;Drivers/CMSIS/Device/ST/STM32F7xx/Include/stm32f7xx.h;Drivers/CMSIS/Device/ST/STM32F7xx/Include/system_stm32f7xx.h;Drivers/CMSIS/Device/ST/STM32F7xx/Source/Templates/system_stm32f7xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
+LibFiles=Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_cortex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_eth.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_ll_fmc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_sdram.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_qspi.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_ll_sdmmc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_sd.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_def.h;Drivers/STM32F7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c_ex.h;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_eth.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_fmc.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sdram.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_qspi.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_sdmmc.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sd.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_uart.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c;Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_cortex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_eth.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_ll_fmc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_sdram.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_qspi.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_ll_sdmmc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_sd.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_tim_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_uart_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_rcc_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_flash_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_gpio_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_dma_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_pwr_ex.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_def.h;Drivers/STM32F7xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c.h;Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_i2c_ex.h;Drivers/CMSIS/Device/ST/STM32F7xx/Include/stm32f746xx.h;Drivers/CMSIS/Device/ST/STM32F7xx/Include/stm32f7xx.h;Drivers/CMSIS/Device/ST/STM32F7xx/Include/system_stm32f7xx.h;Drivers/CMSIS/Device/ST/STM32F7xx/Source/Templates/system_stm32f7xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
 
 [PreviousUsedKeilFiles]
-SourceFiles=..\Src\main.c;..\Src\stm32f7xx_it.c;..\Src\stm32f7xx_hal_msp.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_qspi.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_uart.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c;../\Src/system_stm32f7xx.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_qspi.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_uart.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c;../\Src/system_stm32f7xx.c;../Drivers/CMSIS/Device/ST/STM32F7xx/Source/Templates/system_stm32f7xx.c;null;
+SourceFiles=..\Src\main.c;..\Src\stm32f7xx_it.c;..\Src\stm32f7xx_hal_msp.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_eth.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_fmc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sdram.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_qspi.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_sdmmc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sd.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_uart.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c;../\Src/system_stm32f7xx.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_cortex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_eth.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_fmc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sdram.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_qspi.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_ll_sdmmc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_sd.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_tim_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_uart.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_rcc_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_flash_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_gpio.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_dma_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_pwr_ex.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c.c;../Drivers/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_i2c_ex.c;../\Src/system_stm32f7xx.c;../Drivers/CMSIS/Device/ST/STM32F7xx/Source/Templates/system_stm32f7xx.c;null;
 HeaderPath=..\Drivers\STM32F7xx_HAL_Driver\Inc;..\Drivers\STM32F7xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F7xx\Include;..\Drivers\CMSIS\Include;..\Inc;
 
diff --git a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/CubeMX_Config.ioc b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/CubeMX_Config.ioc
index 011044f0f3..00ed619281 100644
--- a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/CubeMX_Config.ioc
+++ b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/CubeMX_Config.ioc
@@ -1,34 +1,89 @@
 #MicroXplorer Configuration settings - do not modify
+ETH.IPParameters=MediaInterface
+ETH.MediaInterface=ETH_MEDIA_INTERFACE_RMII
 File.Version=6
 KeepUserPlacement=false
 Mcu.Family=STM32F7
 Mcu.IP0=CORTEX_M7
-Mcu.IP1=NVIC
-Mcu.IP2=QUADSPI
-Mcu.IP3=RCC
-Mcu.IP4=SYS
-Mcu.IP5=USART1
-Mcu.IPNb=6
+Mcu.IP1=ETH
+Mcu.IP2=FMC
+Mcu.IP3=NVIC
+Mcu.IP4=QUADSPI
+Mcu.IP5=RCC
+Mcu.IP6=SDMMC1
+Mcu.IP7=SYS
+Mcu.IP8=USART1
+Mcu.IPNb=9
 Mcu.Name=STM32F746NGHx
 Mcu.Package=TFBGA216
 Mcu.Pin0=PE2
-Mcu.Pin1=PA14
-Mcu.Pin10=PH1/OSC_OUT
-Mcu.Pin11=PJ8
-Mcu.Pin12=PB2
-Mcu.Pin13=PD12
-Mcu.Pin14=PD13
-Mcu.Pin15=PD11
-Mcu.Pin16=VP_SYS_VS_Systick
-Mcu.Pin2=PA13
-Mcu.Pin3=PB7
-Mcu.Pin4=PB6
-Mcu.Pin5=PC14/OSC32_IN
-Mcu.Pin6=PA9
-Mcu.Pin7=PC15/OSC32_OUT
-Mcu.Pin8=PK1
-Mcu.Pin9=PH0/OSC_IN
-Mcu.PinsNb=17
+Mcu.Pin1=PG14
+Mcu.Pin10=PD0
+Mcu.Pin11=PC11
+Mcu.Pin12=PC10
+Mcu.Pin13=PD1
+Mcu.Pin14=PF0
+Mcu.Pin15=PD2
+Mcu.Pin16=PC14/OSC32_IN
+Mcu.Pin17=PF1
+Mcu.Pin18=PA9
+Mcu.Pin19=PC15/OSC32_OUT
+Mcu.Pin2=PC12
+Mcu.Pin20=PK1
+Mcu.Pin21=PC9
+Mcu.Pin22=PH0/OSC_IN
+Mcu.Pin23=PF2
+Mcu.Pin24=PC8
+Mcu.Pin25=PH1/OSC_OUT
+Mcu.Pin26=PF3
+Mcu.Pin27=PJ8
+Mcu.Pin28=PG8
+Mcu.Pin29=PF4
+Mcu.Pin3=PA14
+Mcu.Pin30=PH5
+Mcu.Pin31=PH3
+Mcu.Pin32=PF5
+Mcu.Pin33=PD15
+Mcu.Pin34=PD10
+Mcu.Pin35=PC3
+Mcu.Pin36=PD14
+Mcu.Pin37=PD9
+Mcu.Pin38=PD8
+Mcu.Pin39=PC1
+Mcu.Pin4=PA13
+Mcu.Pin40=PB2
+Mcu.Pin41=PF12
+Mcu.Pin42=PF15
+Mcu.Pin43=PD12
+Mcu.Pin44=PD13
+Mcu.Pin45=PA1
+Mcu.Pin46=PC4
+Mcu.Pin47=PF13
+Mcu.Pin48=PG0
+Mcu.Pin49=PE8
+Mcu.Pin5=PG13
+Mcu.Pin50=PD11
+Mcu.Pin51=PG5
+Mcu.Pin52=PG4
+Mcu.Pin53=PA2
+Mcu.Pin54=PC5
+Mcu.Pin55=PF14
+Mcu.Pin56=PF11
+Mcu.Pin57=PE9
+Mcu.Pin58=PE11
+Mcu.Pin59=PE14
+Mcu.Pin6=PB7
+Mcu.Pin60=PA7
+Mcu.Pin61=PE7
+Mcu.Pin62=PE10
+Mcu.Pin63=PE12
+Mcu.Pin64=PE15
+Mcu.Pin65=PE13
+Mcu.Pin66=VP_SYS_VS_Systick
+Mcu.Pin7=PB6
+Mcu.Pin8=PG15
+Mcu.Pin9=PG11
+Mcu.PinsNb=67
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F746NGHx
@@ -44,10 +99,16 @@ NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false
 NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true\:false
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false
+PA1.Mode=RMII
+PA1.Signal=ETH_REF_CLK
 PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
 PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
+PA2.Mode=RMII
+PA2.Signal=ETH_MDIO
+PA7.Mode=RMII
+PA7.Signal=ETH_CRS_DV
 PA9.Locked=true
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
@@ -57,10 +118,29 @@ PB6.Mode=Single Bank 1
 PB6.Signal=QUADSPI_BK1_NCS
 PB7.Mode=Asynchronous
 PB7.Signal=USART1_RX
+PC1.Mode=RMII
+PC1.Signal=ETH_MDC
+PC10.Mode=SD_4_bits_Wide_bus
+PC10.Signal=SDMMC1_D2
+PC11.Mode=SD_4_bits_Wide_bus
+PC11.Signal=SDMMC1_D3
+PC12.Mode=SD_4_bits_Wide_bus
+PC12.Signal=SDMMC1_CK
 PC14/OSC32_IN.Mode=LSE-External-Oscillator
 PC14/OSC32_IN.Signal=RCC_OSC32_IN
 PC15/OSC32_OUT.Mode=LSE-External-Oscillator
 PC15/OSC32_OUT.Signal=RCC_OSC32_OUT
+PC3.Locked=true
+PC3.Mode=SdramChipSelect1_1
+PC3.Signal=FMC_SDCKE0
+PC4.Mode=RMII
+PC4.Signal=ETH_RXD0
+PC5.Mode=RMII
+PC5.Signal=ETH_RXD1
+PC8.Mode=SD_4_bits_Wide_bus
+PC8.Signal=SDMMC1_D0
+PC9.Mode=SD_4_bits_Wide_bus
+PC9.Signal=SDMMC1_D1
 PCC.Checker=false
 PCC.Line=STM32F7x6
 PCC.MCU=STM32F746NGHx
@@ -69,6 +149,9 @@ PCC.Seq0=0
 PCC.Series=STM32F7
 PCC.Temperature=25
 PCC.Vdd=3.3
+PD0.Signal=FMC_D2_DA2
+PD1.Signal=FMC_D3_DA3
+PD10.Signal=FMC_D15_DA15
 PD11.Locked=true
 PD11.Mode=Single Bank 1
 PD11.Signal=QUADSPI_BK1_IO0
@@ -78,13 +161,53 @@ PD12.Signal=QUADSPI_BK1_IO1
 PD13.Locked=true
 PD13.Mode=Single Bank 1
 PD13.Signal=QUADSPI_BK1_IO3
+PD14.Signal=FMC_D0_DA0
+PD15.Signal=FMC_D1_DA1
+PD2.Mode=SD_4_bits_Wide_bus
+PD2.Signal=SDMMC1_CMD
+PD8.Signal=FMC_D13_DA13
+PD9.Signal=FMC_D14_DA14
+PE10.Signal=FMC_D7_DA7
+PE11.Signal=FMC_D8_DA8
+PE12.Signal=FMC_D9_DA9
+PE13.Signal=FMC_D10_DA10
+PE14.Signal=FMC_D11_DA11
+PE15.Signal=FMC_D12_DA12
 PE2.Locked=true
 PE2.Mode=Single Bank 1
 PE2.Signal=QUADSPI_BK1_IO2
+PE7.Signal=FMC_D4_DA4
+PE8.Signal=FMC_D5_DA5
+PE9.Signal=FMC_D6_DA6
+PF0.Signal=FMC_A0
+PF1.Signal=FMC_A1
+PF11.Signal=FMC_SDNRAS
+PF12.Signal=FMC_A6
+PF13.Signal=FMC_A7
+PF14.Signal=FMC_A8
+PF15.Signal=FMC_A9
+PF2.Signal=FMC_A2
+PF3.Signal=FMC_A3
+PF4.Signal=FMC_A4
+PF5.Signal=FMC_A5
+PG0.Signal=FMC_A10
+PG11.Mode=RMII
+PG11.Signal=ETH_TX_EN
+PG13.Mode=RMII
+PG13.Signal=ETH_TXD0
+PG14.Mode=RMII
+PG14.Signal=ETH_TXD1
+PG15.Signal=FMC_SDNCAS
+PG4.Signal=FMC_A14_BA0
+PG5.Signal=FMC_A15_BA1
+PG8.Signal=FMC_SDCLK
 PH0/OSC_IN.Mode=HSE-External-Oscillator
 PH0/OSC_IN.Signal=RCC_OSC_IN
 PH1/OSC_OUT.Mode=HSE-External-Oscillator
 PH1/OSC_OUT.Signal=RCC_OSC_OUT
+PH3.Mode=SdramChipSelect1_1
+PH3.Signal=FMC_SDNE0
+PH5.Signal=FMC_SDNWE
 PJ8.Locked=true
 PJ8.Signal=GPXTI8
 PK1.Locked=true
@@ -117,71 +240,138 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_QUADSPI_Init-QUADSPI-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_CORTEX_M7_Init-CORTEX_M7-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true,5-MX_QUADSPI_Init-QUADSPI-false-HAL-true,6-MX_ETH_Init-ETH-false-HAL-true,7-MX_FMC_Init-FMC-false-HAL-true,8-MX_SDMMC1_SD_Init-SDMMC1-false-HAL-true
 QUADSPI.ChipSelectHighTime=QSPI_CS_HIGH_TIME_6_CYCLE
 QUADSPI.ClockPrescaler=1
 QUADSPI.FifoThreshold=4
 QUADSPI.IPParameters=ClockPrescaler,FifoThreshold,SampleShifting,ChipSelectHighTime
 QUADSPI.SampleShifting=QSPI_SAMPLE_SHIFTING_HALFCYCLE
-RCC.AHBFreq_Value=216000000
+RCC.AHBFreq_Value=50000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV4
-RCC.APB1Freq_Value=54000000
-RCC.APB1TimFreq_Value=108000000
+RCC.APB1Freq_Value=12500000
+RCC.APB1TimFreq_Value=25000000
 RCC.APB2CLKDivider=RCC_HCLK_DIV2
-RCC.APB2Freq_Value=108000000
-RCC.APB2TimFreq_Value=216000000
+RCC.APB2Freq_Value=25000000
+RCC.APB2TimFreq_Value=50000000
 RCC.CECFreq_Value=32786.88524590164
-RCC.CortexFreq_Value=216000000
-RCC.EthernetFreq_Value=216000000
-RCC.FCLKCortexFreq_Value=216000000
+RCC.CortexFreq_Value=50000000
+RCC.EthernetFreq_Value=50000000
+RCC.FCLKCortexFreq_Value=50000000
 RCC.FamilyName=M
-RCC.HCLKFreq_Value=216000000
+RCC.HCLKFreq_Value=50000000
 RCC.HSE_VALUE=25000000
 RCC.HSI_VALUE=16000000
-RCC.I2C1Freq_Value=54000000
-RCC.I2C2Freq_Value=54000000
-RCC.I2C3Freq_Value=54000000
-RCC.I2C4Freq_Value=54000000
-RCC.I2SFreq_Value=96000000
-RCC.IPParameters=AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,CECFreq_Value,CortexFreq_Value,EthernetFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,I2C4Freq_Value,I2SFreq_Value,LCDTFToutputFreq_Value,LPTIM1Freq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLI2SPCLKFreq_Value,PLLI2SQCLKFreq_Value,PLLI2SRCLKFreq_Value,PLLI2SRoutputFreq_Value,PLLM,PLLN,PLLQCLKFreq_Value,PLLQoutputFreq_Value,PLLSAIPCLKFreq_Value,PLLSAIQCLKFreq_Value,PLLSAIRCLKFreq_Value,PLLSAIoutputFreq_Value,PLLSourceVirtual,RNGFreq_Value,SAI1Freq_Value,SAI2Freq_Value,SDMMCFreq_Value,SPDIFRXFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5Freq_Value,UART7Freq_Value,UART8Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USART6Freq_Value,USBFreq_Value,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAIOutputFreq_Value
-RCC.LCDTFToutputFreq_Value=48000000
-RCC.LPTIM1Freq_Value=54000000
+RCC.I2C1Freq_Value=12500000
+RCC.I2C2Freq_Value=12500000
+RCC.I2C3Freq_Value=12500000
+RCC.I2C4Freq_Value=12500000
+RCC.I2SFreq_Value=200000000
+RCC.IPParameters=AHBFreq_Value,APB1CLKDivider,APB1Freq_Value,APB1TimFreq_Value,APB2CLKDivider,APB2Freq_Value,APB2TimFreq_Value,CECFreq_Value,CortexFreq_Value,EthernetFreq_Value,FCLKCortexFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2C3Freq_Value,I2C4Freq_Value,I2SFreq_Value,LCDTFToutputFreq_Value,LPTIM1Freq_Value,LSI_VALUE,MCO2PinFreq_Value,PLLCLKFreq_Value,PLLI2SPCLKFreq_Value,PLLI2SQCLKFreq_Value,PLLI2SRCLKFreq_Value,PLLI2SRoutputFreq_Value,PLLM,PLLN,PLLP,PLLQCLKFreq_Value,PLLQoutputFreq_Value,PLLSAIPCLKFreq_Value,PLLSAIQCLKFreq_Value,PLLSAIRCLKFreq_Value,PLLSAIoutputFreq_Value,PLLSourceVirtual,RNGFreq_Value,SAI1Freq_Value,SAI2Freq_Value,SDMMCFreq_Value,SPDIFRXFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,UART4Freq_Value,UART5Freq_Value,UART7Freq_Value,UART8Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USART6Freq_Value,USBFreq_Value,VCOI2SOutputFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value,VCOSAIOutputFreq_Value
+RCC.LCDTFToutputFreq_Value=100000000
+RCC.LPTIM1Freq_Value=12500000
 RCC.LSI_VALUE=32000
-RCC.MCO2PinFreq_Value=216000000
-RCC.PLLCLKFreq_Value=216000000
-RCC.PLLI2SPCLKFreq_Value=96000000
-RCC.PLLI2SQCLKFreq_Value=96000000
-RCC.PLLI2SRCLKFreq_Value=96000000
-RCC.PLLI2SRoutputFreq_Value=96000000
-RCC.PLLM=25
-RCC.PLLN=432
-RCC.PLLQCLKFreq_Value=216000000
-RCC.PLLQoutputFreq_Value=216000000
-RCC.PLLSAIPCLKFreq_Value=96000000
-RCC.PLLSAIQCLKFreq_Value=96000000
-RCC.PLLSAIRCLKFreq_Value=96000000
-RCC.PLLSAIoutputFreq_Value=96000000
+RCC.MCO2PinFreq_Value=50000000
+RCC.PLLCLKFreq_Value=50000000
+RCC.PLLI2SPCLKFreq_Value=200000000
+RCC.PLLI2SQCLKFreq_Value=200000000
+RCC.PLLI2SRCLKFreq_Value=200000000
+RCC.PLLI2SRoutputFreq_Value=200000000
+RCC.PLLM=12
+RCC.PLLN=96
+RCC.PLLP=RCC_PLLP_DIV4
+RCC.PLLQCLKFreq_Value=100000000
+RCC.PLLQoutputFreq_Value=100000000
+RCC.PLLSAIPCLKFreq_Value=200000000
+RCC.PLLSAIQCLKFreq_Value=200000000
+RCC.PLLSAIRCLKFreq_Value=200000000
+RCC.PLLSAIoutputFreq_Value=200000000
 RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
-RCC.RNGFreq_Value=216000000
-RCC.SAI1Freq_Value=96000000
-RCC.SAI2Freq_Value=96000000
-RCC.SDMMCFreq_Value=216000000
-RCC.SPDIFRXFreq_Value=96000000
-RCC.SYSCLKFreq_VALUE=216000000
+RCC.RNGFreq_Value=100000000
+RCC.SAI1Freq_Value=200000000
+RCC.SAI2Freq_Value=200000000
+RCC.SDMMCFreq_Value=50000000
+RCC.SPDIFRXFreq_Value=200000000
+RCC.SYSCLKFreq_VALUE=50000000
 RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
-RCC.UART4Freq_Value=54000000
-RCC.UART5Freq_Value=54000000
-RCC.UART7Freq_Value=54000000
-RCC.UART8Freq_Value=54000000
-RCC.USART1Freq_Value=108000000
-RCC.USART2Freq_Value=54000000
-RCC.USART3Freq_Value=54000000
-RCC.USART6Freq_Value=108000000
-RCC.USBFreq_Value=216000000
-RCC.VCOI2SOutputFreq_Value=192000000
-RCC.VCOInputFreq_Value=1000000
-RCC.VCOOutputFreq_Value=432000000
-RCC.VCOSAIOutputFreq_Value=192000000
+RCC.UART4Freq_Value=12500000
+RCC.UART5Freq_Value=12500000
+RCC.UART7Freq_Value=12500000
+RCC.UART8Freq_Value=12500000
+RCC.USART1Freq_Value=25000000
+RCC.USART2Freq_Value=12500000
+RCC.USART3Freq_Value=12500000
+RCC.USART6Freq_Value=25000000
+RCC.USBFreq_Value=100000000
+RCC.VCOI2SOutputFreq_Value=400000000
+RCC.VCOInputFreq_Value=2083333.3333333333
+RCC.VCOOutputFreq_Value=200000000
+RCC.VCOSAIOutputFreq_Value=400000000
+SH.FMC_A0.0=FMC_A0,11b-sda1
+SH.FMC_A0.ConfNb=1
+SH.FMC_A1.0=FMC_A1,11b-sda1
+SH.FMC_A1.ConfNb=1
+SH.FMC_A10.0=FMC_A10,11b-sda1
+SH.FMC_A10.ConfNb=1
+SH.FMC_A14_BA0.0=FMC_BA0,FourSdramBanks1
+SH.FMC_A14_BA0.ConfNb=1
+SH.FMC_A15_BA1.0=FMC_BA1,FourSdramBanks1
+SH.FMC_A15_BA1.ConfNb=1
+SH.FMC_A2.0=FMC_A2,11b-sda1
+SH.FMC_A2.ConfNb=1
+SH.FMC_A3.0=FMC_A3,11b-sda1
+SH.FMC_A3.ConfNb=1
+SH.FMC_A4.0=FMC_A4,11b-sda1
+SH.FMC_A4.ConfNb=1
+SH.FMC_A5.0=FMC_A5,11b-sda1
+SH.FMC_A5.ConfNb=1
+SH.FMC_A6.0=FMC_A6,11b-sda1
+SH.FMC_A6.ConfNb=1
+SH.FMC_A7.0=FMC_A7,11b-sda1
+SH.FMC_A7.ConfNb=1
+SH.FMC_A8.0=FMC_A8,11b-sda1
+SH.FMC_A8.ConfNb=1
+SH.FMC_A9.0=FMC_A9,11b-sda1
+SH.FMC_A9.ConfNb=1
+SH.FMC_D0_DA0.0=FMC_D0,sd-16b-d1
+SH.FMC_D0_DA0.ConfNb=1
+SH.FMC_D10_DA10.0=FMC_D10,sd-16b-d1
+SH.FMC_D10_DA10.ConfNb=1
+SH.FMC_D11_DA11.0=FMC_D11,sd-16b-d1
+SH.FMC_D11_DA11.ConfNb=1
+SH.FMC_D12_DA12.0=FMC_D12,sd-16b-d1
+SH.FMC_D12_DA12.ConfNb=1
+SH.FMC_D13_DA13.0=FMC_D13,sd-16b-d1
+SH.FMC_D13_DA13.ConfNb=1
+SH.FMC_D14_DA14.0=FMC_D14,sd-16b-d1
+SH.FMC_D14_DA14.ConfNb=1
+SH.FMC_D15_DA15.0=FMC_D15,sd-16b-d1
+SH.FMC_D15_DA15.ConfNb=1
+SH.FMC_D1_DA1.0=FMC_D1,sd-16b-d1
+SH.FMC_D1_DA1.ConfNb=1
+SH.FMC_D2_DA2.0=FMC_D2,sd-16b-d1
+SH.FMC_D2_DA2.ConfNb=1
+SH.FMC_D3_DA3.0=FMC_D3,sd-16b-d1
+SH.FMC_D3_DA3.ConfNb=1
+SH.FMC_D4_DA4.0=FMC_D4,sd-16b-d1
+SH.FMC_D4_DA4.ConfNb=1
+SH.FMC_D5_DA5.0=FMC_D5,sd-16b-d1
+SH.FMC_D5_DA5.ConfNb=1
+SH.FMC_D6_DA6.0=FMC_D6,sd-16b-d1
+SH.FMC_D6_DA6.ConfNb=1
+SH.FMC_D7_DA7.0=FMC_D7,sd-16b-d1
+SH.FMC_D7_DA7.ConfNb=1
+SH.FMC_D8_DA8.0=FMC_D8,sd-16b-d1
+SH.FMC_D8_DA8.ConfNb=1
+SH.FMC_D9_DA9.0=FMC_D9,sd-16b-d1
+SH.FMC_D9_DA9.ConfNb=1
+SH.FMC_SDCLK.0=FMC_SDCLK,11b-sda1
+SH.FMC_SDCLK.ConfNb=1
+SH.FMC_SDNCAS.0=FMC_SDNCAS,11b-sda1
+SH.FMC_SDNCAS.ConfNb=1
+SH.FMC_SDNRAS.0=FMC_SDNRAS,11b-sda1
+SH.FMC_SDNRAS.ConfNb=1
+SH.FMC_SDNWE.0=FMC_SDNWE,11b-sda1
+SH.FMC_SDNWE.ConfNb=1
 SH.GPXTI8.0=GPIO_EXTI8
 SH.GPXTI8.ConfNb=1
 USART1.IPParameters=VirtualMode-Asynchronous
diff --git a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Inc/stm32f7xx_hal_conf.h b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Inc/stm32f7xx_hal_conf.h
index 28e85ccd28..fe64ed3438 100644
--- a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Inc/stm32f7xx_hal_conf.h
+++ b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Inc/stm32f7xx_hal_conf.h
@@ -58,11 +58,11 @@
 /* #define HAL_DAC_MODULE_ENABLED   */
 /* #define HAL_DCMI_MODULE_ENABLED   */
 /* #define HAL_DMA2D_MODULE_ENABLED   */
-/* #define HAL_ETH_MODULE_ENABLED   */
+#define HAL_ETH_MODULE_ENABLED
 /* #define HAL_NAND_MODULE_ENABLED   */
 /* #define HAL_NOR_MODULE_ENABLED   */
 /* #define HAL_SRAM_MODULE_ENABLED   */
-/* #define HAL_SDRAM_MODULE_ENABLED   */
+#define HAL_SDRAM_MODULE_ENABLED
 /* #define HAL_HASH_MODULE_ENABLED   */
 /* #define HAL_I2S_MODULE_ENABLED   */
 /* #define HAL_IWDG_MODULE_ENABLED   */
@@ -72,7 +72,7 @@
 /* #define HAL_RNG_MODULE_ENABLED   */
 /* #define HAL_RTC_MODULE_ENABLED   */
 /* #define HAL_SAI_MODULE_ENABLED   */
-/* #define HAL_SD_MODULE_ENABLED   */
+#define HAL_SD_MODULE_ENABLED
 /* #define HAL_MMC_MODULE_ENABLED   */
 /* #define HAL_SPDIFRX_MODULE_ENABLED   */
 /* #define HAL_SPI_MODULE_ENABLED   */
@@ -190,8 +190,8 @@
 
 /* Section 2: PHY configuration section */
 
-/* DP83848_PHY_ADDRESS Address*/ 
-#define DP83848_PHY_ADDRESS           0x01U
+/* LAN8742A_PHY_ADDRESS Address*/ 
+#define LAN8742A_PHY_ADDRESS           1
 /* PHY Reset delay these values are based on a 1 ms Systick interrupt*/ 
 #define PHY_RESET_DELAY                 ((uint32_t)0x000000FFU)
 /* PHY Configuration delay */
@@ -202,8 +202,8 @@
 
 /* Section 3: Common PHY Registers */
 
-#define PHY_BCR                         ((uint16_t)0x0000U)    /*!< Transceiver Basic Control Register   */
-#define PHY_BSR                         ((uint16_t)0x0001U)    /*!< Transceiver Basic Status Register    */
+#define PHY_BCR                         ((uint16_t)0x00U)    /*!< Transceiver Basic Control Register   */
+#define PHY_BSR                         ((uint16_t)0x01U)    /*!< Transceiver Basic Status Register    */
  
 #define PHY_RESET                       ((uint16_t)0x8000U)  /*!< PHY Reset */
 #define PHY_LOOPBACK                    ((uint16_t)0x4000U)  /*!< Select loop-back mode */
@@ -226,6 +226,9 @@
 #define PHY_SPEED_STATUS                ((uint16_t)0x0002U)  /*!< PHY Speed mask                                  */
 #define PHY_DUPLEX_STATUS               ((uint16_t)0x0004U)  /*!< PHY Duplex mask                                 */
 
+#define PHY_ISFR                        ((uint16_t)0x000BU)    /*!< PHY Interrupt Source Flag register Offset   */
+#define PHY_ISFR_INT4                   ((uint16_t)0x000BU)  /*!< PHY Link down inturrupt       */  
+
 /* ################## SPI peripheral configuration ########################## */
 
 /* CRC FEATURE: Use to activate CRC feature inside HAL SPI Driver
diff --git a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/main.c b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/main.c
index 144535da4f..0ecb1f55d3 100644
--- a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/main.c
+++ b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/main.c
@@ -63,10 +63,16 @@
 
 /* Private variables ---------------------------------------------------------*/
 
+ETH_HandleTypeDef heth;
+
 QSPI_HandleTypeDef hqspi;
 
+SD_HandleTypeDef hsd1;
+
 UART_HandleTypeDef huart1;
 
+SDRAM_HandleTypeDef hsdram1;
+
 /* USER CODE BEGIN PV */
 
 /* USER CODE END PV */
@@ -76,6 +82,9 @@ void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART1_UART_Init(void);
 static void MX_QUADSPI_Init(void);
+static void MX_ETH_Init(void);
+static void MX_FMC_Init(void);
+static void MX_SDMMC1_SD_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -115,6 +124,9 @@ int main(void)
   MX_GPIO_Init();
   MX_USART1_UART_Init();
   MX_QUADSPI_Init();
+  MX_ETH_Init();
+  MX_FMC_Init();
+  MX_SDMMC1_SD_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -146,27 +158,21 @@ void SystemClock_Config(void)
   /**Configure the main internal regulator output voltage 
   */
   __HAL_RCC_PWR_CLK_ENABLE();
-  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
+  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
   /**Initializes the CPU, AHB and APB busses clocks 
   */
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-  RCC_OscInitStruct.PLL.PLLM = 25;
-  RCC_OscInitStruct.PLL.PLLN = 432;
-  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+  RCC_OscInitStruct.PLL.PLLM = 12;
+  RCC_OscInitStruct.PLL.PLLN = 96;
+  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
   RCC_OscInitStruct.PLL.PLLQ = 2;
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
   {
     Error_Handler();
   }
-  /**Activate the Over-Drive mode 
-  */
-  if (HAL_PWREx_EnableOverDrive() != HAL_OK)
-  {
-    Error_Handler();
-  }
   /**Initializes the CPU, AHB and APB busses clocks 
   */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
@@ -176,18 +182,64 @@ void SystemClock_Config(void)
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_7) != HAL_OK)
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
   {
     Error_Handler();
   }
-  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1;
+  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_SDMMC1;
   PeriphClkInitStruct.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
+  PeriphClkInitStruct.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_SYSCLK;
   if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
   {
     Error_Handler();
   }
 }
 
+/**
+  * @brief ETH Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_ETH_Init(void)
+{
+
+  /* USER CODE BEGIN ETH_Init 0 */
+
+  /* USER CODE END ETH_Init 0 */
+
+   uint8_t MACAddr[6] ;
+
+  /* USER CODE BEGIN ETH_Init 1 */
+
+  /* USER CODE END ETH_Init 1 */
+  heth.Instance = ETH;
+  heth.Init.AutoNegotiation = ETH_AUTONEGOTIATION_ENABLE;
+  heth.Init.PhyAddress = LAN8742A_PHY_ADDRESS;
+  MACAddr[0] = 0x00;
+  MACAddr[1] = 0x80;
+  MACAddr[2] = 0xE1;
+  MACAddr[3] = 0x00;
+  MACAddr[4] = 0x00;
+  MACAddr[5] = 0x00;
+  heth.Init.MACAddr = &MACAddr[0];
+  heth.Init.RxMode = ETH_RXPOLLING_MODE;
+  heth.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
+  heth.Init.MediaInterface = ETH_MEDIA_INTERFACE_RMII;
+
+  /* USER CODE BEGIN MACADDRESS */
+    
+  /* USER CODE END MACADDRESS */
+
+  if (HAL_ETH_Init(&heth) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN ETH_Init 2 */
+
+  /* USER CODE END ETH_Init 2 */
+
+}
+
 /**
   * @brief QUADSPI Initialization Function
   * @param None
@@ -223,6 +275,42 @@ static void MX_QUADSPI_Init(void)
 
 }
 
+/**
+  * @brief SDMMC1 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_SDMMC1_SD_Init(void)
+{
+
+  /* USER CODE BEGIN SDMMC1_Init 0 */
+
+  /* USER CODE END SDMMC1_Init 0 */
+
+  /* USER CODE BEGIN SDMMC1_Init 1 */
+
+  /* USER CODE END SDMMC1_Init 1 */
+  hsd1.Instance = SDMMC1;
+  hsd1.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
+  hsd1.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
+  hsd1.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
+  hsd1.Init.BusWide = SDMMC_BUS_WIDE_1B;
+  hsd1.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
+  hsd1.Init.ClockDiv = 0;
+  if (HAL_SD_Init(&hsd1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_SD_ConfigWideBusOperation(&hsd1, SDMMC_BUS_WIDE_4B) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN SDMMC1_Init 2 */
+
+  /* USER CODE END SDMMC1_Init 2 */
+
+}
+
 /**
   * @brief USART1 Initialization Function
   * @param None
@@ -258,6 +346,41 @@ static void MX_USART1_UART_Init(void)
 
 }
 
+/* FMC initialization function */
+static void MX_FMC_Init(void)
+{
+  FMC_SDRAM_TimingTypeDef SdramTiming;
+
+  /** Perform the SDRAM1 memory initialization sequence
+  */
+  hsdram1.Instance = FMC_SDRAM_DEVICE;
+  /* hsdram1.Init */
+  hsdram1.Init.SDBank = FMC_SDRAM_BANK1;
+  hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_8;
+  hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_11;
+  hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_16;
+  hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
+  hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_1;
+  hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
+  hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_DISABLE;
+  hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;
+  hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_0;
+  /* SdramTiming */
+  SdramTiming.LoadToActiveDelay = 16;
+  SdramTiming.ExitSelfRefreshDelay = 16;
+  SdramTiming.SelfRefreshTime = 16;
+  SdramTiming.RowCycleDelay = 16;
+  SdramTiming.WriteRecoveryTime = 16;
+  SdramTiming.RPDelay = 16;
+  SdramTiming.RCDDelay = 16;
+
+  if (HAL_SDRAM_Init(&hsdram1, &SdramTiming) != HAL_OK)
+  {
+    Error_Handler( );
+  }
+
+}
+
 /**
   * @brief GPIO Initialization Function
   * @param None
@@ -269,13 +392,15 @@ static void MX_GPIO_Init(void)
 
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOE_CLK_ENABLE();
+  __HAL_RCC_GPIOG_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
   __HAL_RCC_GPIOB_CLK_ENABLE();
-  __HAL_RCC_GPIOC_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
+  __HAL_RCC_GPIOF_CLK_ENABLE();
   __HAL_RCC_GPIOK_CLK_ENABLE();
   __HAL_RCC_GPIOH_CLK_ENABLE();
   __HAL_RCC_GPIOJ_CLK_ENABLE();
-  __HAL_RCC_GPIOD_CLK_ENABLE();
 
   /*Configure GPIO pin : PK1 */
   GPIO_InitStruct.Pin = GPIO_PIN_1;
diff --git a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/stm32f7xx_hal_msp.c b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/stm32f7xx_hal_msp.c
index b6df21aa43..b6a47aca69 100644
--- a/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/stm32f7xx_hal_msp.c
+++ b/bsp/stm32/stm32f746-st-disco/board/CubeMX_Config/Src/stm32f7xx_hal_msp.c
@@ -97,6 +97,108 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+* @brief ETH MSP Initialization
+* This function configures the hardware resources used in this example
+* @param heth: ETH handle pointer
+* @retval None
+*/
+void HAL_ETH_MspInit(ETH_HandleTypeDef* heth)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  if(heth->Instance==ETH)
+  {
+  /* USER CODE BEGIN ETH_MspInit 0 */
+
+  /* USER CODE END ETH_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_ETH_CLK_ENABLE();
+  
+    __HAL_RCC_GPIOG_CLK_ENABLE();
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    __HAL_RCC_GPIOA_CLK_ENABLE();
+    /**ETH GPIO Configuration    
+    PG14     ------> ETH_TXD1
+    PG13     ------> ETH_TXD0
+    PG11     ------> ETH_TX_EN
+    PC1     ------> ETH_MDC
+    PA1     ------> ETH_REF_CLK
+    PC4     ------> ETH_RXD0
+    PA2     ------> ETH_MDIO
+    PC5     ------> ETH_RXD1
+    PA7     ------> ETH_CRS_DV 
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_13|GPIO_PIN_11;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
+    HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN ETH_MspInit 1 */
+
+  /* USER CODE END ETH_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief ETH MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param heth: ETH handle pointer
+* @retval None
+*/
+
+void HAL_ETH_MspDeInit(ETH_HandleTypeDef* heth)
+{
+
+  if(heth->Instance==ETH)
+  {
+  /* USER CODE BEGIN ETH_MspDeInit 0 */
+
+  /* USER CODE END ETH_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_ETH_CLK_DISABLE();
+  
+    /**ETH GPIO Configuration    
+    PG14     ------> ETH_TXD1
+    PG13     ------> ETH_TXD0
+    PG11     ------> ETH_TX_EN
+    PC1     ------> ETH_MDC
+    PA1     ------> ETH_REF_CLK
+    PC4     ------> ETH_RXD0
+    PA2     ------> ETH_MDIO
+    PC5     ------> ETH_RXD1
+    PA7     ------> ETH_CRS_DV 
+    */
+    HAL_GPIO_DeInit(GPIOG, GPIO_PIN_14|GPIO_PIN_13|GPIO_PIN_11);
+
+    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5);
+
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7);
+
+  /* USER CODE BEGIN ETH_MspDeInit 1 */
+
+  /* USER CODE END ETH_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief QSPI MSP Initialization
 * This function configures the hardware resources used in this example
@@ -200,6 +302,94 @@ void HAL_QSPI_MspDeInit(QSPI_HandleTypeDef* hqspi)
 
 }
 
+/**
+* @brief SD MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hsd: SD handle pointer
+* @retval None
+*/
+void HAL_SD_MspInit(SD_HandleTypeDef* hsd)
+{
+
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  if(hsd->Instance==SDMMC1)
+  {
+  /* USER CODE BEGIN SDMMC1_MspInit 0 */
+
+  /* USER CODE END SDMMC1_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_SDMMC1_CLK_ENABLE();
+  
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    __HAL_RCC_GPIOD_CLK_ENABLE();
+    /**SDMMC1 GPIO Configuration    
+    PC12     ------> SDMMC1_CK
+    PC11     ------> SDMMC1_D3
+    PC10     ------> SDMMC1_D2
+    PD2     ------> SDMMC1_CMD
+    PC9     ------> SDMMC1_D1
+    PC8     ------> SDMMC1_D0 
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_11|GPIO_PIN_10|GPIO_PIN_9 
+                          |GPIO_PIN_8;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_2;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+    GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
+    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN SDMMC1_MspInit 1 */
+
+  /* USER CODE END SDMMC1_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief SD MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hsd: SD handle pointer
+* @retval None
+*/
+
+void HAL_SD_MspDeInit(SD_HandleTypeDef* hsd)
+{
+
+  if(hsd->Instance==SDMMC1)
+  {
+  /* USER CODE BEGIN SDMMC1_MspDeInit 0 */
+
+  /* USER CODE END SDMMC1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_SDMMC1_CLK_DISABLE();
+  
+    /**SDMMC1 GPIO Configuration    
+    PC12     ------> SDMMC1_CK
+    PC11     ------> SDMMC1_D3
+    PC10     ------> SDMMC1_D2
+    PD2     ------> SDMMC1_CMD
+    PC9     ------> SDMMC1_D1
+    PC8     ------> SDMMC1_D0 
+    */
+    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_12|GPIO_PIN_11|GPIO_PIN_10|GPIO_PIN_9 
+                          |GPIO_PIN_8);
+
+    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
+
+  /* USER CODE BEGIN SDMMC1_MspDeInit 1 */
+
+  /* USER CODE END SDMMC1_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief UART MSP Initialization
 * This function configures the hardware resources used in this example
@@ -278,6 +468,203 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
 
 }
 
+static uint32_t FMC_Initialized = 0;
+
+static void HAL_FMC_MspInit(void){
+  /* USER CODE BEGIN FMC_MspInit 0 */
+
+  /* USER CODE END FMC_MspInit 0 */
+  GPIO_InitTypeDef GPIO_InitStruct;
+  if (FMC_Initialized) {
+    return;
+  }
+  FMC_Initialized = 1;
+  /* Peripheral clock enable */
+  __HAL_RCC_FMC_CLK_ENABLE();
+  
+  /** FMC GPIO Configuration  
+  PG15   ------> FMC_SDNCAS
+  PD0   ------> FMC_D2
+  PD1   ------> FMC_D3
+  PF0   ------> FMC_A0
+  PF1   ------> FMC_A1
+  PF2   ------> FMC_A2
+  PF3   ------> FMC_A3
+  PG8   ------> FMC_SDCLK
+  PF4   ------> FMC_A4
+  PH5   ------> FMC_SDNWE
+  PH3   ------> FMC_SDNE0
+  PF5   ------> FMC_A5
+  PD15   ------> FMC_D1
+  PD10   ------> FMC_D15
+  PC3   ------> FMC_SDCKE0
+  PD14   ------> FMC_D0
+  PD9   ------> FMC_D14
+  PD8   ------> FMC_D13
+  PF12   ------> FMC_A6
+  PF15   ------> FMC_A9
+  PF13   ------> FMC_A7
+  PG0   ------> FMC_A10
+  PE8   ------> FMC_D5
+  PG5   ------> FMC_BA1
+  PG4   ------> FMC_BA0
+  PF14   ------> FMC_A8
+  PF11   ------> FMC_SDNRAS
+  PE9   ------> FMC_D6
+  PE11   ------> FMC_D8
+  PE14   ------> FMC_D11
+  PE7   ------> FMC_D4
+  PE10   ------> FMC_D7
+  PE12   ------> FMC_D9
+  PE15   ------> FMC_D12
+  PE13   ------> FMC_D10
+  */
+  GPIO_InitStruct.Pin = GPIO_PIN_15|GPIO_PIN_8|GPIO_PIN_0|GPIO_PIN_5 
+                          |GPIO_PIN_4;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
+  HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
+
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_15|GPIO_PIN_10 
+                          |GPIO_PIN_14|GPIO_PIN_9|GPIO_PIN_8;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
+  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 
+                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_15 
+                          |GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_11;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
+  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
+
+  GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_3;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
+  HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
+
+  GPIO_InitStruct.Pin = GPIO_PIN_3;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
+  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+  GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_11|GPIO_PIN_14 
+                          |GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_12|GPIO_PIN_15 
+                          |GPIO_PIN_13;
+  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
+  HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN FMC_MspInit 1 */
+
+  /* USER CODE END FMC_MspInit 1 */
+}
+
+void HAL_SDRAM_MspInit(SDRAM_HandleTypeDef* hsdram){
+  /* USER CODE BEGIN SDRAM_MspInit 0 */
+
+  /* USER CODE END SDRAM_MspInit 0 */
+  HAL_FMC_MspInit();
+  /* USER CODE BEGIN SDRAM_MspInit 1 */
+
+  /* USER CODE END SDRAM_MspInit 1 */
+}
+
+static uint32_t FMC_DeInitialized = 0;
+
+static void HAL_FMC_MspDeInit(void){
+  /* USER CODE BEGIN FMC_MspDeInit 0 */
+
+  /* USER CODE END FMC_MspDeInit 0 */
+  if (FMC_DeInitialized) {
+    return;
+  }
+  FMC_DeInitialized = 1;
+  /* Peripheral clock enable */
+  __HAL_RCC_FMC_CLK_DISABLE();
+  
+  /** FMC GPIO Configuration  
+  PG15   ------> FMC_SDNCAS
+  PD0   ------> FMC_D2
+  PD1   ------> FMC_D3
+  PF0   ------> FMC_A0
+  PF1   ------> FMC_A1
+  PF2   ------> FMC_A2
+  PF3   ------> FMC_A3
+  PG8   ------> FMC_SDCLK
+  PF4   ------> FMC_A4
+  PH5   ------> FMC_SDNWE
+  PH3   ------> FMC_SDNE0
+  PF5   ------> FMC_A5
+  PD15   ------> FMC_D1
+  PD10   ------> FMC_D15
+  PC3   ------> FMC_SDCKE0
+  PD14   ------> FMC_D0
+  PD9   ------> FMC_D14
+  PD8   ------> FMC_D13
+  PF12   ------> FMC_A6
+  PF15   ------> FMC_A9
+  PF13   ------> FMC_A7
+  PG0   ------> FMC_A10
+  PE8   ------> FMC_D5
+  PG5   ------> FMC_BA1
+  PG4   ------> FMC_BA0
+  PF14   ------> FMC_A8
+  PF11   ------> FMC_SDNRAS
+  PE9   ------> FMC_D6
+  PE11   ------> FMC_D8
+  PE14   ------> FMC_D11
+  PE7   ------> FMC_D4
+  PE10   ------> FMC_D7
+  PE12   ------> FMC_D9
+  PE15   ------> FMC_D12
+  PE13   ------> FMC_D10
+  */
+  HAL_GPIO_DeInit(GPIOG, GPIO_PIN_15|GPIO_PIN_8|GPIO_PIN_0|GPIO_PIN_5 
+                          |GPIO_PIN_4);
+
+  HAL_GPIO_DeInit(GPIOD, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_15|GPIO_PIN_10 
+                          |GPIO_PIN_14|GPIO_PIN_9|GPIO_PIN_8);
+
+  HAL_GPIO_DeInit(GPIOF, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 
+                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_15 
+                          |GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_11);
+
+  HAL_GPIO_DeInit(GPIOH, GPIO_PIN_5|GPIO_PIN_3);
+
+  HAL_GPIO_DeInit(GPIOC, GPIO_PIN_3);
+
+  HAL_GPIO_DeInit(GPIOE, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_11|GPIO_PIN_14 
+                          |GPIO_PIN_7|GPIO_PIN_10|GPIO_PIN_12|GPIO_PIN_15 
+                          |GPIO_PIN_13);
+
+  /* USER CODE BEGIN FMC_MspDeInit 1 */
+
+  /* USER CODE END FMC_MspDeInit 1 */
+}
+
+void HAL_SDRAM_MspDeInit(SDRAM_HandleTypeDef* hsdram){
+  /* USER CODE BEGIN SDRAM_MspDeInit 0 */
+
+  /* USER CODE END SDRAM_MspDeInit 0 */
+  HAL_FMC_MspDeInit();
+  /* USER CODE BEGIN SDRAM_MspDeInit 1 */
+
+  /* USER CODE END SDRAM_MspDeInit 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */
diff --git a/bsp/stm32/stm32f746-st-disco/board/Kconfig b/bsp/stm32/stm32f746-st-disco/board/Kconfig
index ee295f7c3a..3c5f272948 100644
--- a/bsp/stm32/stm32f746-st-disco/board/Kconfig
+++ b/bsp/stm32/stm32f746-st-disco/board/Kconfig
@@ -11,6 +11,11 @@ menu "Onboard Peripheral Drivers"
         select BSP_USING_UART
         select BSP_USING_UART1
         default y
+
+    config BSP_USING_SDRAM
+        bool "Enable SDRAM"
+        default n
+
     config BSP_USING_QSPI_FLASH
         bool "Enable QSPI FLASH (N25Q256 qspi1)"
         select BSP_USING_QSPI
@@ -18,6 +23,22 @@ menu "Onboard Peripheral Drivers"
         select RT_SFUD_USING_QSPI
         default n
 
+    config PHY_USING_LAN8720A
+        bool
+
+    config BSP_USING_ETH
+        bool "Enable Ethernet"
+        select RT_USING_LWIP
+        select PHY_USING_LAN8720A
+        default n
+
+    config BSP_USING_SDCARD
+        bool "Enable SDCARD (sdio)"
+        select BSP_USING_SDIO
+        select RT_USING_DFS
+        select RT_USING_DFS_ELMFAT
+        default n
+
 endmenu
 
 menu "On-chip Peripheral Drivers"
@@ -46,6 +67,12 @@ menu "On-chip Peripheral Drivers"
         select RT_USING_SPI
         default n
 
+    config BSP_USING_SDIO
+        bool "Enable SDIO"
+        select RT_USING_SDIO
+        select RT_USING_DFS
+        default n
+
 endmenu
 
 menu "Board extended module Drivers"
diff --git a/bsp/stm32/stm32f746-st-disco/board/SConscript b/bsp/stm32/stm32f746-st-disco/board/SConscript
index fd750ca113..3df28358b1 100644
--- a/bsp/stm32/stm32f746-st-disco/board/SConscript
+++ b/bsp/stm32/stm32f746-st-disco/board/SConscript
@@ -7,8 +7,16 @@ cwd = GetCurrentDir()
 src = Glob('board.c')
 src += Glob('CubeMX_Config/Src/stm32f7xx_hal_msp.c')
 
+
+if GetDepend(['BSP_USING_ETH']):
+    src += Glob('ports/phy_reset.c')
+
 if GetDepend(['BSP_USING_QSPI_FLASH']):
     src += Glob('ports/drv_qspi_flash.c')
+
+if GetDepend(['BSP_USING_SDCARD']):
+    src += Glob('ports/sdcard_port.c')
+
 path = [cwd]
 path += [cwd + '/CubeMX_Config/Inc']
 path += [cwd + '/ports']
diff --git a/bsp/stm32/stm32f746-st-disco/board/ports/drv_qspi_flash.c b/bsp/stm32/stm32f746-st-disco/board/ports/drv_qspi_flash.c
index 2739ad02f7..ca7641f866 100644
--- a/bsp/stm32/stm32f746-st-disco/board/ports/drv_qspi_flash.c
+++ b/bsp/stm32/stm32f746-st-disco/board/ports/drv_qspi_flash.c
@@ -5,7 +5,7 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2019-01-26     jinsheng    first version
+ * 2019-01-26     jinsheng     first version
  */
  
 #include <board.h>
diff --git a/bsp/stm32/stm32f746-st-disco/board/ports/phy_reset.c b/bsp/stm32/stm32f746-st-disco/board/ports/phy_reset.c
new file mode 100644
index 0000000000..3d5f75c7f0
--- /dev/null
+++ b/bsp/stm32/stm32f746-st-disco/board/ports/phy_reset.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-02-16     jinsheng     first version
+ */
+
+#include <rtthread.h>
+
+//#define DRV_DEBUG
+#define LOG_TAG             "drv.phy_reset"
+#include <drv_log.h>
+
+//PHY RESET PIN link system reset
+
+/* phy reset */
+void phy_reset(void)
+{
+
+}
+
diff --git a/bsp/stm32/stm32f746-st-disco/board/ports/sdcard_port.c b/bsp/stm32/stm32f746-st-disco/board/ports/sdcard_port.c
new file mode 100644
index 0000000000..90cfd4d1a4
--- /dev/null
+++ b/bsp/stm32/stm32f746-st-disco/board/ports/sdcard_port.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-02-17     jinsheng     add sdcard port file
+ */
+
+#include <rtthread.h>
+
+#ifdef BSP_USING_SDCARD
+
+#include <dfs_elm.h>
+#include <dfs_fs.h>
+#include <dfs_posix.h>
+
+#define DBG_ENABLE
+#define DBG_SECTION_NAME  "app.card"
+#define DBG_COLOR
+
+#define DBG_LEVEL DBG_INFO
+#include <rtdbg.h>
+
+void sd_mount(void *parameter)
+{
+    while (1)
+    {
+        rt_thread_mdelay(500);
+        if(rt_device_find("sd0") != RT_NULL)
+        {
+            if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
+            {
+                LOG_I("sd card mount to '/'");
+                break;
+            }
+            else
+            {
+                LOG_W("sd card mount to '/' failed!");
+            }
+        }
+    }
+}
+
+int stm32_sdcard_mount(void)
+{
+    rt_thread_t tid;
+
+    tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
+                           1024, RT_THREAD_PRIORITY_MAX - 2, 20);
+    if (tid != RT_NULL)
+    {
+        rt_thread_startup(tid);
+    }
+    else
+    {
+        LOG_E("create sd_mount thread err!");
+    }
+    return RT_EOK;
+}
+INIT_APP_EXPORT(stm32_sdcard_mount);
+
+#endif /* BSP_USING_SDCARD */
+
diff --git a/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h b/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h
new file mode 100644
index 0000000000..7a3bcbf22b
--- /dev/null
+++ b/bsp/stm32/stm32f746-st-disco/board/ports/sdram_port.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-02-16     jinsheng     The first version for STM32F7xx
+ */
+
+#ifndef __SDRAM_PORT_H__
+#define __SDRAM_PORT_H__
+
+/* parameters for sdram peripheral */
+/* Bank1 or Bank2 */
+#define SDRAM_TARGET_BANK               1
+/* stm32f7 Bank1:0XC0000000  Bank2:0XD0000000 */
+#define SDRAM_BANK_ADDR                 ((uint32_t)0XC0000000)
+/* data width: 8, 16, 32 */
+#define SDRAM_DATA_WIDTH                16
+/* column bit numbers: 8, 9, 10, 11 */
+#define SDRAM_COLUMN_BITS               9
+/* row bit numbers: 11, 12, 13 */
+#define SDRAM_ROW_BITS                  13
+/* cas latency clock number: 1, 2, 3 */
+#define SDRAM_CAS_LATENCY               3
+/* read pipe delay: 0, 1, 2 */
+#define SDRAM_RPIPE_DELAY               1
+/* clock divid: 2, 3 */
+#define SDCLOCK_PERIOD                  2
+/* refresh rate counter */
+#define SDRAM_REFRESH_COUNT             ((uint32_t)0x02AB)
+#define SDRAM_SIZE                      ((uint32_t)0x1000000)
+
+/* Timing configuration for MT48LC4M32B2B5-6A */
+/* TMRD: 2 Clock cycles */
+#define LOADTOACTIVEDELAY               2
+/* TXSR: 7x11.90ns */
+#define EXITSELFREFRESHDELAY            8
+/* TRAS: 4x11.90ns */
+#define SELFREFRESHTIME                 6
+/* TRC:  7x11.90ns */
+#define ROWCYCLEDELAY                   6
+/* TWR:  2 Clock cycles */
+#define WRITERECOVERYTIME               2
+/* TRP:  2x11.90ns */
+#define RPDELAY                         2
+/* TRCD: 2x11.90ns */
+#define RCDDELAY                        2
+
+/* memory mode register */
+#define SDRAM_MODEREG_BURST_LENGTH_1             ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_LENGTH_2             ((uint16_t)0x0001)
+#define SDRAM_MODEREG_BURST_LENGTH_4             ((uint16_t)0x0002)
+#define SDRAM_MODEREG_BURST_LENGTH_8             ((uint16_t)0x0004)
+#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      ((uint16_t)0x0000)
+#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     ((uint16_t)0x0008)
+#define SDRAM_MODEREG_CAS_LATENCY_2              ((uint16_t)0x0020)
+#define SDRAM_MODEREG_CAS_LATENCY_3              ((uint16_t)0x0030)
+#define SDRAM_MODEREG_OPERATING_MODE_STANDARD    ((uint16_t)0x0000)
+#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
+#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     ((uint16_t)0x0200)
+
+#endif
diff --git a/bsp/stm32/stm32f746-st-disco/rtconfig.h b/bsp/stm32/stm32f746-st-disco/rtconfig.h
index cc7acbac06..cdea6fd74f 100644
--- a/bsp/stm32/stm32f746-st-disco/rtconfig.h
+++ b/bsp/stm32/stm32f746-st-disco/rtconfig.h
@@ -38,7 +38,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart1"
-#define RT_VER_NUM 0x40000
+#define RT_VER_NUM 0x40001
 #define ARCH_ARM
 #define ARCH_ARM_CORTEX_M
 #define ARCH_ARM_CORTEX_M7
@@ -78,6 +78,7 @@
 #define RT_PIPE_BUFSZ 512
 #define RT_USING_SERIAL
 #define RT_SERIAL_USING_DMA
+#define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
 
 /* Using WiFi */