The problem is this: a CPLD is connected to two I2C interfaces, namely scl, sda and scl1, sda1, how to connect these two I2C. (scl, sda is the host I2C, scl1, sda1 is the slave I2C) Related informatio...
When using Renesas, I encountered an operation of UART2 entering low power consumption. I found that when configuring it as a normal IO, the P04 pin was used as an input and read as a low level. Even ...
[size=6]I haven't posted for a long time. I went home recently. Here I would like to thank [size=7]soso administrator[/size] for her support. She always supports me to continue writing every time I po...
5 points that cannot be ignored in PCB design in power supply design. In power supply design, only the PCB design link is mentioned: 1. First of all, there must be a reasonable direction: such as inpu...
The print information of the startup board shows ALSA List Device: no soundcards found. Entering the system's /dev/snd directory, only the timer exists, and there are no files such as pcmC0Dx and cont...