A worker found a good job in a logging factory. He decided to do the job well and perform well. On the first day of work, the boss gave him an axe and asked him to cut trees in the artificial plantati...
It is like this, my 2440 application calls this sleep function, and it is very inaccurate. The effect of sleep(500) is the same as that of sleep(100), that is, the time is faster. But another 5.0 BSP ...
Hi everyone, I have two PNDs, one is CE 4.2 and the other is CE 5.0. When I use IE to open HTML files, all PNG format images cannot be displayed. I checked the relevant information and it mentioned th...
For beginners of computer organization principles, Dai Mei'e's "Microcomputer Technology and Applications" is very good. Unfortunately, it uses 8086, 80386, and Pentium processors as examples. I wonde...
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
In the development of artificial intelligence, talent reserve is undoubtedly an important part. Artificial intelligence should be a bottom-level technology that can be deeply embedded in any indust...[Details]
Autonomous driving
and
5G
are the two hot topics that global companies and media are paying the most attention to, and the combination of the two is the focus of everyone's attention....[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence,
VR
, AR, etc. After seeing the d...[Details]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
STM32 has 2 watchdogs: independent watchdog and window watchdog. Independent watchdog IWDG: A system fault detector that is independent of the system and is not affected by the system because it has ...[Details]
The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
Summary of STM32 peripheral DMA usage: 1. Select DAM mode according to your needs: (1) Circular mode—DMA_Mode = DMA_Mode_Circular (2) Normal mode—DMA_Mode = DMA_Mode_Normal 2. For Chanel3 of DMA1, t...[Details]
****************************************************************** 1. The operand is in register, R0--R7 2. Operands are in internal RAM 3. Operands are in external RAM But they are all similar. For ...[Details]
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
