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Overview

        HC89F0431 is an enhanced 8-bit MCU designed and developed in high-frequency and low-power CMOS technology. It has 16K bytes flash program memory, 256 bytes IRAM and 256 bytes Xram, 18 bidirectional I / O ports, 1 peripheral function pin full mapping module PTM, 5 16 bit timers / counters, 3 groups of 12 bit complementary PWM with dead zone control, 1 8-bit PWM, 2 UART communication ports, 1 SPI communication port, 16 external interrupts, 11 + 2 12 bit ADC, four system operating modes (normal, low frequency, power down and idle) and 16 interrupt sources.