How do I configure the 80M clock? I always feel that when I configure it to 50M, the PLL is the only thing that works, and the external crystal seems to have no effect. I'm always confused about this....
I want to learn PCB EDA design now, but I don't know which software is better. Please give me some advice. I have read a lot, and some say that learning POWER PCB is more practical, while others say...
Regarding the wireless interface issue... Haha... Anyone who is working on or has worked on related products is welcome to leave your contact information, or reply to my post or send me a message on t...
I use K9F1G08U0A as a data memory and want to read out its ID first. However, after inputting the read ID command 0x90 and address 0x00, the wrong ID is read out. Can an expert give me some advice? Th...
I'm selling a Zhengdian Atom Explorer. I bought it last year and I've taken good care of it. It doesn't come with a screen or a programmer. It comes with a data cable. If you want it, I'll give you Fr...
1. To simulate the I2C protocol, you need to read the data sheet and master the timing. 2. The I2C protocol has stricter timing requirements than SPI. Specifically, when the clock SCL is at a high lev...
background After the hardware engineer completed the PCB and schematic design, the routine was modified according to the tutorial of Zhengdian Atom to verify the correctness of the hardware. STM32F...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
The adoption rate of serverless
cloud
computing
is gradually increasing, but it has not yet reached people's expectations. Various surveys show that serverless
is
still
an eme...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
The implementation of CAN driver under embedded operating system Android requires not only adding CAN driver device in Linux kernel, but also implementing the call of Android HAL layer. Taking S5...[Details]
When Amazon quietly launched a product called Elastic Computing Cloud 12 years ago, the Internet industry in China, across the ocean, also ushered in an unprecedented development opportunity. Let's...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
LiDAR: Autonomous driving from the perspective of optoelectronic technology LiDAR and competing sensor technologies (camera, radar, and ultrasonic) intensify the need for sensor fusion and the need...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
ADI has established long-term good relationships with car manufacturers and Tier 1 component suppliers. Based on its previous long-term successful cooperation with new energy vehicles and suppliers a...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
Using AT89S51 microcontroller, modify the original one to turn the LED on for 4s and off for 2s. Thank you. Use a timer. (The program is written in the answer, omitted here - just a note) The origi...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
