1. Cache performance characteristics Excellent cache performance depends largely on the reuse of cache lines, and this is also the main goal of optimization. This is generally achieved through proper ...
This short passage is understandable, but if you read it to someone else, he will not understand it anyway! "The Story of Shi Shi Eating Lions" Shi Shi, a poet in the Stone Chamber, loves lions and vo...
Urgent! When testing the SDRAM module of DM642, the memory after 0x8000000 is "--", is it because the data is not written? The program result shows that the SDRAM works well! It is shown in the pictur...
Valentine's Day is coming. As an electrician, I am not very romantic, so I bought some practical things. I found that my wife's bag was a little damaged, so I thought of buying her another one, so I w...
The SOT-23 package is marked with QM10 and QJU9. I think the latter one looks like MAX809, but I can't find the former one . Does anyone know? Can you tell me?...
What we are involved in is the use of GPIO. You may have some impression of the demonstration of lighting an LED we talked about last time. But last time we directly called the code generated by the s...