描述相同 >MCU 32-bit STM32F ARM Cortex M3 RISC 512KB Flash 2.5V/3.3V 144-Pin LFBGA T/R产品现货库存报价

MCU 32-bit STM32F ARM Cortex M3 RISC 512KB Flash 2.5V/3.3V 144-Pin LFBGA T/R产品现货库存报价