When using a chip, is it enough to just be familiar with its application circuit, or is it better to be familiar with its principle (application circuit or chip), such as an op amp circuit?...
When M128 interrupt occurs, the previous interrupt has not been completed, and the next interrupt request comes. At this time, does the processor abandon the next interrupt request and execute the unf...
Operation 2440, extract a picture in C array format and put it into the program. The program can run in RAM, but when the program is downloaded to NAND FLASH, the LCD displays the picture in a mess, a...
Hello everyone, I am working on mb90092 character overlay recently, using the secondary screen display, but no matter how I set it, it is garbled. Can anyone who has used it give me some advice? QQ: 1...
I have collected a list of DOS commands in the quick reference table. For people in the 386 era, most people had no access to computers. DOS commands were the only system tools for communicating with ...