Question 1: Both 9b96 and LM4F chips have USB OTG function, but both use Micro USB port. As far as I know, both Mini USB and Micro USB support OTG. Why do most boards use Mirco USB port now? It seems ...
I have written an assembly program for a signal generator composed of AT89C51 and DAC0808, but the output waveform is not ideal. Only the square wave is normal, while the triangle wave, sawtooth wave ...
From http://wenku.baidu.com/view/a9593fde6f1aff00bed51e55.html We use the log level in the printk() function to enable programmers to customize the output of information during the programming process...
The MCU on the board has an OTG function. As a host, you can short-circuit ID and GND to connect to the device as a host. I want to realize the function: act as a device by default, and act as a host ...