Author(s)

Huang Jian

Corresponding Author

Huang Jian

Abstract

In embedded system design, accurate reference clock is very important, and crystal oscillator is often used as clock source. Using 8MHz clock as CPU clock source, in addition to the 8MHz crystal oscillator, there is often a 32.768MHz crystal oscillator, using it as the real-time clock benchmark. It can provide accurate information such as time and seconds.

Keywords

CPU, clock source, crystal oscillator