Problem description: When using FSMC to access external memory, if the CPU and DMA send requests to the external memory at the same time, a memory access error will occur.This problem has been solved
[font=Verdana]Guo Qian came, Li Feng left; Cai Suping came, Tong Zhiyuan left... Almost every month, we can see personnel changes in various automobile companies, and the automobile industry has becom
I used a USB to serial port, and the MAX232 connection method was completely in accordance with the manual. Then the MAX232's 7th and 8th pins were connected to the serial port, and the 9th and 10th p
I saw an article introducing some tips for debugging digital circuits using Tektronix MSO2000 , MSO3000 and MSO4000 series mixed signal oscilloscopes. I found it very helpful and would like to share i
We use an instrument with an x86 motherboard and wince5.0 system, which uses CF boot to directly enter the program. I guess the CF card was made in USB-HD mode. I checked the files on the CF card, and