Summary of Basic Knowledge on 51 Microcontroller
1. What is a microcontroller? A microcontroller is a single-chip microcomputer that integrates a microprocessor, memory, and I/O interface circuits on one integrated circuit chip. Intel launched the MCS-51 series microcontrollers, which integrate an 8-bit CPU, 4KB ROM, 128 bytes RAM, 4 8-bit parallel ports, and 1 full-duplex serial port, along with 2 16-bit timer/counters. … Read more