HC89F0411A是一颗采用高频低功耗CMOS工艺设计开发的增强型8位单片机，内部有12KBytes FLASH程序存储器，128 Bytes EEPROM,256 Bytes IRAM和768 Bytes XRAM，6个双向I/O口，1个外设功能引脚全映射模块PTM，5个16位定时器/计数器，3组12位带死区控制互补PWM，1个8位PWM，2个UART通信口，1个SPI通信口，1个IIC通信口，7个外部中断，7+2路12位ADC，四种系统工作模式（正常、低频、掉电和空闲）和17个中断源。

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