32-bit ARM Cortex-M3 MCU, 32MHz, 256KB Flash, USB, 51 I/O
32-bit ARM Cortex-M3 MCU, 384KB Flash, 32MHz, USB, LQFP
32-bit ARM Cortex-M3 MCU, 256KB Flash, 32MHz, USB, 51 I/O, PBGA-63
32-bit ARM Cortex-M3 MCU, 256KB Flash, 32MHz, USB, 64-Pin PQFP
32-bit ARM Cortex M3 MCU, 256KB Flash, 64-Pin WLCSP
