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Overview

         HC89S105S8T6 is an enhanced 8-bit MCU designed and developed in high-speed and low-power CMOS technology. It has 64K bytes flash program memory, 256 bytes IRAM and 2K bytes xram, 41 bidirectional I / O ports, 1 peripheral function pin full mapping module PTM, 2 16 bit timers / counters, 2 PCA modules, 3 sets of 12 bit complementary PWM with dead zone control, There are 2 UART communication ports, 1 IIC communication port, 1 SPI communication port, 1 RTC circuit, 15 external interrupts, 23 + 2 12 bit ADC, four system working modes (normal, low frequency, power down and idle) and 16 interrupt sources.