HC32F420
Features
◾ 84 MHz Cortex-M4 32-bit CPU platform
◾ 128 K bytes FLASH memory, with erase and write protection function
◾ 24 K bytes RAM memory
◾ 6-channel DMAC
◾ Up to 52 general-purpose I/O pins
◾ Clock, crystal oscillator
‒ External high-speed crystal oscillator 8
MHz~32 MHz
‒ Internal high-speed clock 22 MHz~24 MHz
‒ Internal low-speed clock 38.4 KHz and
32.768 KHz configurable
‒ PLL clock up to 84 MHz
‒ Hardware supports clock real-time calibration and mutual monitoring
◾ Timer/Counter
‒ 3 posite timers
‒ 9 basic timers: BTIM0~8
‒ 3 general purpose timers: GTIM0~2
‒1 high-performance
3-channel plementary output 16-bit timer / counter
‒1 high-performance
1-channel plementary output 16-bit timer / counter
‒ 1 independent IWDT, built-in dedicated 10
KHz oscillator provides IWDT counting
‒ 1 window WWDT
‒ 1 CTRIM clock calibration, can be used as a basic timer
◾ munication interface
‒ 4-channel USART standard munication interface
‒ 2-channel SPI...
