The frequency error of USB 12Mbps is allowed to be 0.25%. However, the HSI of stm32f allows adjustment in steps of about 40kHz (changing the value of HSITRIM). 40kHz/8MHz=0.5%, what a pity. If the HSI...
I need to write an IE browser. How can I detect whether the current network status (should be the status of IE) is connected or disconnected? I have found through experiments that it does not work by ...
The backslash '\' in the post -simulation signal name, the post-simulation generates sdf files and .v files, add testbench, and simulate. Many signals have \ in front of them, such as wire \data , etc...
I am using an AT89S52 chip. After burning the following program, it cannot exit once it enters an interrupt. What is going on? It is OK that it cannot exit, but the light is still flashing. I hope you...
I just got a call from Shunfeng, saying there’s a courier. I was so excited... I knew it was 8962 from eeworld. I immediately ran to the school gate. It’s very cold in Chengdu this year. I was sweatin...