MC.STC89C516RD+40I-PDIP40 is a Microcontroller Unit (MCU/MPU/SOC) manufactured by STCMC with 61KB 1.25KB FLASH 35 51Series DIP-40 that is ROHS compliant. This MCU comes in a DIP-40 (dual in-line package) and contains a number of features, such as a 32-bit RISC CPU, 8KB ISP FLASH, programmable read-only memory (PROM), 256 bytes of static RAM, 4-channel 16-bit timer/counters, 4-channel 16-bit PWM, 4-channel 8-bit A/D converter, VGA, SPI, I²C, UART, and I/O ports. It also has an operating voltage range of 2.4 to 3.6 V and an operating temperature range of -40°C to +85°C. This MCU can also be programmed with built-in STC ISP FLASH programmer or external programmer.