32-bit ARM Cortex-M3 微控制器,72 MHz,64KB Flash / 20KB SRAM。LQFP-48 封装。最经典、应用最广的 ST 中端 MCU。32-bit ARM Cortex-M3 MCU at 72 MHz, 64KB flash / 20KB SRAM, LQFP-48. The classic ST mid-range workhorse.
引脚兼容 / 固件兼容的替代方案。我们已实测对比,附移植笔记。Pin- and firmware-compatible alternates. Benched and porting-noted by our FAE team.