diff --git a/configs/mcu123-lpc214x/include/board.h b/configs/mcu123-lpc214x/include/board.h
index 080b06abe09..e860cbb5ec9 100644
--- a/configs/mcu123-lpc214x/include/board.h
+++ b/configs/mcu123-lpc214x/include/board.h
@@ -50,12 +50,20 @@
 
 /* Clocking *****************************************************************/
 
-#define LPC214X_FOSC      12000000
-#define LPC214X_PLL_M     5
-#define LPC214X_MSEL      (PLL_M-1)
-#define LPC214X_PLL_P     2
+/* Oscillator frequency */
 
-#define LPC214X_PCLKFREQ  (LPC214X_FOSC/4) /* PCLK must be FOSC/4 */
+#define LPC214X_FOSC      12000000
+
+/* PLL0 settings CCLK = PLL_M * FOSC PCLK = CCLK/APBDIV */
+
+#define LPC214X_PLL_M     5
+#define LPC214X_PLL_P     2
+#define LPC214X_APB_DIV   1
+
+/* USB Pll settings -- 48 MHz needed.  FUSB = PLL_M FOSC */
+
+#define LPC214X_USBPLL_M  4
+#define LPC214X_USBPLL_P  2
 
 /* LED definitions **********************************************************/
 
diff --git a/configs/mcu123-lpc214x/nsh/defconfig b/configs/mcu123-lpc214x/nsh/defconfig
index 8c0cb137e93..3dec91a3a27 100644
--- a/configs/mcu123-lpc214x/nsh/defconfig
+++ b/configs/mcu123-lpc214x/nsh/defconfig
@@ -57,7 +57,7 @@ CONFIG_ARCH_CHIP=lpc214x
 CONFIG_ARCH_LPC2148=y
 CONFIG_ARCH_BOARD=mcu123-lpc214x
 CONFIG_ARCH_BOARD_MCU123=y
-CONFIG_BOARD_LOOPSPERMSEC=4327
+CONFIG_BOARD_LOOPSPERMSEC=3270
 CONFIG_ARCH_LEDS=y
 CONFIG_DRAM_SIZE=0x00008000
 CONFIG_DRAM_START=0x40000000
@@ -72,7 +72,7 @@ CONFIG_RAM_MODE=n
 CONFIG_CODE_BASE=0x00000000
 CONFIG_PLL_SETUP=y
 CONFIG_MAM_SETUP=y
-CONFIG_VPBDIV_SETUP=y
+CONFIG_APBDIV_SETUP=y
 CONFIG_EMC_SETUP=n
 CONFIG_BCFG0_SETUP=n
 CONFIG_BCFG1_SETUP=n
@@ -170,8 +170,8 @@ CONFIG_RR_INTERVAL=0
 CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2008
-CONFIG_START_MONTH=9
-CONFIG_START_DAY=17
+CONFIG_START_MONTH=10
+CONFIG_START_DAY=1
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
 CONFIG_DEV_LOWCONSOLE=n
diff --git a/configs/mcu123-lpc214x/ostest/defconfig b/configs/mcu123-lpc214x/ostest/defconfig
index 1d284076ba3..4a1e3819398 100644
--- a/configs/mcu123-lpc214x/ostest/defconfig
+++ b/configs/mcu123-lpc214x/ostest/defconfig
@@ -57,7 +57,7 @@ CONFIG_ARCH_CHIP=lpc214x
 CONFIG_ARCH_LPC2148=y
 CONFIG_ARCH_BOARD=mcu123-lpc214x
 CONFIG_ARCH_BOARD_MCU123=y
-CONFIG_BOARD_LOOPSPERMSEC=4327
+CONFIG_BOARD_LOOPSPERMSEC=3270
 CONFIG_ARCH_LEDS=y
 CONFIG_DRAM_SIZE=0x00008000
 CONFIG_DRAM_START=0x40000000
@@ -72,7 +72,7 @@ CONFIG_RAM_MODE=n
 CONFIG_CODE_BASE=0x00000000
 CONFIG_PLL_SETUP=y
 CONFIG_MAM_SETUP=y
-CONFIG_VPBDIV_SETUP=y
+CONFIG_APBDIV_SETUP=y
 CONFIG_EMC_SETUP=n
 CONFIG_BCFG0_SETUP=n
 CONFIG_BCFG1_SETUP=n
@@ -170,8 +170,8 @@ CONFIG_RR_INTERVAL=0
 CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2008
-CONFIG_START_MONTH=9
-CONFIG_START_DAY=17
+CONFIG_START_MONTH=10
+CONFIG_START_DAY=1
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
 CONFIG_DEV_LOWCONSOLE=y