32-bit ARM Cortex-M3 MCU, 32MHz, 128KB Flash, USB, I2C, SPI
32-bit ARM Cortex-M3 MCU, 128KB Flash, 32MHz, LQFP, USB, I2C, SPI
32b ARM Cortex-M3 MCU, 32MHz, 128KB Flash, 3.6V, 83 I/O
Ultra-low-power Arm Cortex-M3 MCU with 128 Kbytes of Flash memory, 32 MHz CPU, USB