[size=4][color=blue]Only by doing can we learn MCU well, so we have to learn KEIL well!! Haha! [/color][/size] [size=4][color=blue][b]Learn together! Make progress together! [/b][/color][/size] :lovel
The difference and usage of passive crystal and active crystal oscillator :This content is originally created by EEWORLD forum userzkj2014. If you need to reprint or use it for commercial purposes, yo