Recently, I was adjusting the serial port DMA and wanted to save CPU resources. Now I can receive the data sent by DMA, but I can only send the first byte. I wrote a sending function myself, but it ca
The traces on the printed circuit board and the output termination are two major sources of signal attenuation. Clock signal attenuation will increase jitter. In order to avoid the adverse effects of
Thank you. This is the first time our company is doing an ARM project. They asked me to do some research. Can you recommend a company with good products and technical support? It would be best if it i
One is the third edition of "Electronic Circuits Discrete and Integrated" (936 pages), author Donald L. Schilling / Charles Belove, published in 1989, the cover of the book looks like this. The other