#include
typedef unsigned char u8; typedef unsigned int u16; void delay(u16 i) { while(i--); } u8 a[]={0x18,0x24,0x42,0x81,0x42,0x24,0x18}; What does this line mean? , mainly used to implement somethi...
I have been exposed to bandwidth for a long time, but it seems that I have never figured it out. Today, I checked Baidu Encyclopedia and found that it solved many of my doubts. Here are some excerpts:...
There are three groups of circuits as shown in the figure (the 6291 above has only one group). If the 1st PIN of CN1 is connected to DGND by mistake during the test, what may happen? There are also so...
When I used AD software to design a 6-layer board, I found a phenomenon. My fourth layer is the POWER layer, which divides the system power supply. When I need to drill vias for network connection, I ...
Since Huawei was first included in the Entity List in May 2019, the total number of Huawei subsidiaries included in the US "Entity List" has reached 152.
It's another restless night! Last night, the U...
[i=s]This post was last edited by DDZZ669 on 2020-10-4 17:28[/i]1 SDRAMRAM can be understood as memory, the space required by the program when running. GD32F450IK comes with 256K RAM. When a large mem...