FEATURES
l Core: - 32- bit ARM Cortex-M3 core - Single cycle multiplication, and hardware division - Interrupt technology, Fault processing mechanism - 144MHz clock speed l Memory: - Max 128 KB volatile memory SRAM - 480 KB CodeFlash (zero wait application area + non-zero wait data area) - 28 KB BootLoader - 128 B non-volatile system configuration memory - 128 B user-defined memory l Power management and low-power mode: - System power supply VDD: 3.3V (rated) - Independent power supply for GPIO unit VIO: 3.3V (rated) - Low-power mode: Sleep, Stop, Standby - VBAT independently powers RTC and backup register l Clock & Reset - Built-in factory-trimmed 8 MHz RC oscillator - Built-in 40 kHz RC oscillator - Built-in PLL, optional CPU clock up to 144MHz - High-speed external 3~25 MHz oscillator - Low-speed external 32.768 kHz oscillator - Power on/down reset, programmable voltage detector l Real-time clock (RTC): 32-bit independent timer l Dual 18-channel general purpose DMA controllers - 18...