I have made a program to simulate the IIC protocol to read the external RTC through the IO port. The same IIC read and write program is run on the on-chip SRAM, and the read and write clock is correct...
This series of documents would like to thank forum members wstt, david_lee, cat3902982, sugerlatu, zhangdaoyu and other friends for their strong support. They spent a lot of time and energy to organiz...
[size=4][color=#0000ff]1 McBSP (Multichannel Buffered Serial Port) serial port uses DMA multi-frame communication interrupt processing [/color][/size] [size=4][color=#0000ff] [/color][/size] [size=4][...
[i=s]This post was last edited by michael_llh on 2016-8-2 09:35[/i] [font=新宋体][size=4] Now everyone should have received the UFUN learning board. In order to facilitate everyone's learning, here we ha...
I recently used 2812 and found two very puzzling problems. 1. I used 18K and 22K resistor divider network to convert 5V TTL signal into 3.3V TTL signal, but it didn't work at all. The low level turned...
Hello everyone, I am an absolute novice and rookie. I used to work in microwave design in Shanghai for more than two years, and then I returned to Dalian due to some family reasons. Dalian is more eng...