I am now communicating with mcp2515 through the SPI of the main control chip. After the mcp2515 is initialized and configured, it cannot send data normally. What is going on? The mcp2515 initializatio...
I have an ARM and a CPLD on my board. The ARM can already be updated via USB. I hope the CPLD can also be updated. I wonder if anyone has done something similar.
For example, programming CPLD through ...
I'm so dizzy. I've been using protel99se for nearly a year and it suddenly stopped working. When I came in the morning, it wouldn't respond when I ran the program. I checked online and it said I had t...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:10 [/i] I'll upload some information I used, please share it with everyone! ~ [[i] This post was last edited by 歹匕示申 on 2008-8-23 15:32 [/i]...
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introduction
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