The MikroElektronika Arm Cortex-M3 32-bit RISC core operating at a 24 MHz frequency. It is high-speed embedded memories, Flash memory up to 512 Kbytes and SRAM up to 32 Kbytes. It is flexible static memory control (FSMC) interface

4-to-24 MHz crystal oscillator
PLL for CPU clock
Sleep, stop and standby mode
Up to 11 communications interface