60S2内部的PCA模块说明及PWM源代码，和60s2自带AD转换源代码（扫描式中断式都有），源码每一行都有中文注释(60S2 internal PCA module descr iption and PWM source code, and 60s2 comes with AD conversion source code (scanning, interrupt type are), source code, each line has Chinese Notes)