32-bit ARM Cortex-M3 MCU, 128KB Flash, 32MHz, BGA
32-bit ARM Cortex-M3 MCU, 32MHz, 128KB Flash, USB, I2C, SPI
32-bit ARM Cortex-M3 MCU, 32MHz, 128KB Flash, 100-pin BGA
Ultra-low-power Arm Cortex-M3 MCU with 128 Kbytes of Flash memory, 32 MHz CPU, USB
