The STC89C53RC-40I-PDIP40 is a Microcontroller Unit (MCU/MPU/SOC) with 12KB of 512Byte FLASH and 35 51Series DIP-40, manufactured by STC. It is ROHS-compliant and has a PDIP40 package type. The MCU integrates 8051 based CPU core, 12KB of FLASH, 64 bytes of RAM, 8 channels of 10-bit A/Ds, and advanced peripheral functions such as 3 UARTs, 2 32-bit timers, 4 16-bit timers, and 2 priority level interrupt controller function. It is suitable for industrial control, consumer electronics, and automotive applications.