Product Features
◼  kernel
-32-bit Arm ®  Cortex ®- M0+kernel, supporting MPU
- Maximum operating frequency of 64MHz
◼  memory
- Up to 256KB PFlash with ECC
- Up to 32KB DFlash with ECC
- Up to 32KB SRAM with ECC
◼  Clock
- HSECLK: External 8-20MHz crystal oscillator
HSICLK: Internal 8MHz RC oscillator
HSICLK14: Internal 14MHz RC oscillator
LSICLK: Internal 32kHz RC oscillator
PLL supports 2~16 harmonics
◼  Reset, power management
Power on/power off reset (POR/PDR)
Digital power supply voltage: VDD=2.75~5.5V
- Analog power supply voltage: VDDA=VDD~5.5V
- Supports programmable voltage detector PVD