When setting the register of the nandflash interface on s3c2440, there is a sentence: rGPACON = (rGPACON &~(0x3f<<17)) | (0x3f<<17); On the surface, it seems to set bits 17-22 of GPACON to 0 and then
Author: Wuhan Huaqian Technology Department Shared memory areas are the fastest available form of IPC. Once such a memory area is mapped to the address space of the processes sharing it, the transfer
Can someone explain the principle? I will make several modules. One host controller. Three slaves. I want to use serial port for multi-machine communication. How to do it? Can someone explain the prin
The first one is the SAM D21 event I attended a while ago. Click the arrow on the picture to go to the Renesas website.The second one is the SAM R21 event. Click the arrow to go to the STMicroelectron