32-bit ARM Cortex-M3 MCU, 32MHz, 64KB Flash, UFQFPN
32-bit ARM Cortex-M3 MCU, 128KB Flash, 32MHz, UFQFPN, USB, I2C, SPI
32-bit ARM Cortex-M3 MCU, 64KB Flash, 32MHz, UFQFPN
Ultra-low-power Arm Cortex-M3 MCU with 64 Kbytes of Flash memory, 32 MHz CPU, USB