Ultra-low-power Arm Cortex-M3 MCU with 256 Kbytes of Flash memory, 32 MHz CPU, LCD, USB, 2xOp-amp, AES
32-bit ARM Cortex-M3 MCU, 512KB Flash, 32MHz, LCD, USB, 83 I/O, PQFP-100

Ultra-low-power Arm Cortex-M3 MCU with 256 Kbytes of Flash memory, 32 MHz CPU, LCD, USB, 2xOp-amp, AES
32-bit Microcontroller, 32 MHz, 262144 words ROM, 51 I/O Lines, LFQFP-64