The HC32F003C4PA-TSSOP20 is a microcontroller manufactured by HDSC. It is a Other Processors and Microcontrollers (MCUs) TSSOP-20 RoHS. It is a 8-bit single clock architecture-based microcontroller with 32KB Flash memory, 30KB RAM, and I/Os of 18-PD, 28-PW, ACMP2, 2-PWM, and 1 x UART. It also features a programmable clock divider, SPI master/slave and 4x I2C modes. It offers two integrated comparators, and one analog to digital converter. It also has integrated watchdog timer, low power sleep mode, and temperature sensor. It is RoHS compliant, and it delivers high performance with low power consumption.