32-bit ARM Cortex-M3 MCU, 256KB Flash, 72MHz, LQFP
MCU 32-bit STM32F1 ARM Cortex M3 RISC 256KB Flash 2.5V/3.3V 144-Pin LQFP Tray
32-bit ARM Cortex M3 MCU, 72MHz, 256KB Flash, 144-Pin LQFP