The EG51S7612 series is a high-performance, low-power 8-bit microcontroller based on the 8051 core, with a maximum frequency of 72MHz. The series has rich on-chip resources, including 128KB Flash, 8KB RAM, two 16-bit timers/counters, one 8-bit timer/counter, one watchdog timer, one serial communication interface, one I2C interface and one SPI interface.