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* [components][clock_time] Refactor time subsystem around clock_time Introduce the clock_time core with clock source/event separation, high-resolution scheduling, and boot-time helpers, plus clock_timer adapters for timer peripherals. Remove legacy ktime/cputime/hwtimer implementations and migrate arch and BSP time paths to the new subsystem while keeping POSIX time integration functional. Update drivers, Kconfig/SConscript wiring, documentation, and tests; add clock_time overview docs and align naming to clock_boottime/clock_hrtimer/clock_timer. * [components][clock_time] Use BSP-provided clock timer frequency on riscv64 * [risc-v] Use runtime clock timer frequency for tick and delays * [bsp] Add clock timer frequency hooks for riscv64 boards * [bsp] Update Renesas RA driver doc clock_timer link * [bsp] Sync zynqmp-r5-axu4ev rtconfig after config refresh * [bsp][rk3500] Update rk3500 clock configuration * [bsp][hpmicro] Add rt_hw_us_delay hook and update board delays * [bsp][stm32l496-st-nucleo] enable clock_time for hwtimer sample in ci * [bsp][hpmicro] Fix rtconfig include scope for hpm6750evk Move rtconfig.h include outside the ENET_MULTIPLE_PORT guard for hpm6750evk and hpm6750evk2 so configuration macros are available regardless of ENET settings. * [bsp][raspi3] select clock time for systimer * [bsp][hpm5300evk] Trim trailing blank line * [bsp][hpm5301evklite] Trim trailing blank line * [bsp][hpm5e00evk] Trim trailing blank line * [bsp][hpm6200evk] Trim trailing blank line * [bsp][hpm6300evk] Trim trailing blank line * [bsp][hpm6750evk] Trim trailing blank line * [bsp][hpm6750evk2] Trim trailing blank line * [bsp][hpm6750evkmini] Trim trailing blank line * [bsp][hpm6800evk] Trim trailing blank line * [bsp][hpm6e00evk] Trim trailing blank line * [bsp][nxp] switch lpc178x to gcc and remove mcx timer source * [bsp][stm32] fix the CONFIG_RT_USING_CLOCK_TIME issue. * [docs][clock_time] add clock time documentation * [docs][clock_time] Update clock time subsystem documentation - Update device driver index to use correct page reference - Clarify upper layer responsibilities in architecture overview - Update README to describe POSIX/libc, Soft RTC, and device driver usage - Refine architecture diagram with improved layout and color scheme - Remove obsolete clock_timer.md file * [kernel][utest] Trim trailing space * [clock_time] Fix hrtimer wrap handling * [clock_time] fix the static rt_inline issue * [clock_time] fix the rt_clock_hrtimer_control result issue
FM33LC026
1. 简介
FM33LC026是复旦微的MCU，使用 Cortex-M0 内核。该BSP基于FM026开发调试，LC0XX系列通用，重新选择型号即可，可能需要改变部分引脚定义。 FM33LC0xxx系列低功耗MCU，基于ARM Cortex-M0内核，集成大容量嵌入式闪存，具备丰富的模拟和数字外设，并具有优异的低功耗特性。FM33LC0xxx系列包含三个子系列，分别为支持无晶振USB FS device的FM33LC0xxU系列，和不支持USB的FM33LC0xxN系列，以及FM33LC0x4NR系列。 主要资源如下：
| 硬件 | 描述 |
|---|---|
| CPU | Cortex-M0 |
| 主频 | 64MHz |
| SRAM | 24KB |
| Flash | 128KB |
2. 编译说明
只适配了MDK5，使用MDK5编译。
| IDE/编译器 | 已测试版本 |
|---|---|
| MDK5 | MDK5.27 |
3. 烧写及执行
下载程序：使用 J-Link 工具。
3.1 配置和仿真
工程已经默认使能了RT-Thread UART驱动。若想进一步配置工程请 使用ENV工具。
4. 驱动支持情况及计划
| 驱动 | 支持情况 | 备注 |
|---|---|---|
| UART | 支持 | USART0/1/4/5 |
5. 联系人信息
维护人：