N76E003 is a series of high-speed 1T 8050 single chip microcomputer products, providing 18KB Flash ROM, configurable Data Flash and high capacity 1KB SRAM, supporting 2.4V to 5.5V wide working voltage and -40 ? to 105 ? working temperature, and having high anti-interference capability of 7KV ESD/4KV EFT. The periphery includes dual serial ports, SPI, 12C and 6-channel PWM outputs. Built-in high-precision 16MHz RC crystal oscillator and high-resolution 8-channel 12-bit ADC with less than 2% error of similar products; And has the functions of self-awakening, undervoltage detection, etc. On-board external crystal interface and programmable LED(P12 pin) jumper cap (plug-in time to control LED through I/O port) All I/O ports are led out through 2.54mm pins