To those who want to learn microcontrollers: Before you decide to learn microcontrollers, please do the following preparations: 1. Hardware preparation: The equipment I recommend to everyone for l...
When I was studying the ARM architecture (English name: ARM Architecture Reference Manua), I suddenly had an idea: ARM has been around for so many years, and its architecture has been constantly devel...
As shown in the figure: There are two quartz crystal oscillator circuits. The simulation results show that no matter how high the frequency of the crystal is set, the output signal period is about 40u...