I used 430F437 and found that the 32K crystal oscillation speed was very slow, causing the LCD display to start abnormally.What is the reason? No matter how I change the capacitor, it doesn't work....
S3C2440/2442? PXA270/300/310/320? MX310/320? AT9261/9263? DM6446? I think PXA320 has the highest clock speed, but which one will be the most widely used in the industry or in the next 2-3 years?...
[size=4]Reentrant function[/size] [size=4] [/size] [size=4]Reentrant function is mainly used in multitasking environment. A reentrant function is simply a function that can be interrupted, that is, it...
[size=4] Yesterday I got DE1 and was ready to install the development environment. Because QII had installed 13.1 before, I planned to install EDS and start working. I downloaded SOCEDS 14.1 version f...
IsoCore is a pyboard newly designed by a foreign netizen. It uses the STM32F405 controller, removes the low-precision accelerometer, and adds a PCI-E interface.[url=https://bitbucket.org/electric-ray/...
[Linux Data] Introduction to the working principle of Linux driver Introduction to the working principle of Linux driver 1. Data structure of Linux driver 1 2. How is the device node generated? 2 3. H...
1. Test conditions Hardware: STM32L432KC Main frequency: 80MHz Compiler: IAR 8.20.1 Compiler options: High Speed no size constraints CRC generator polynomial: 0x782f 2. Test Method The softwar...[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]
introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
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]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
Artificial intelligence
There is no inherent bias in AI. It does not "think" something is true or false for reasons that cannot be explained by logic. Unfortunately, human bias exists in mach...[Details]
The application of millimeter wave technology in mobile communications also involves a series of technical problems, including the large propagation loss of millimeter waves and the susceptibility ...[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]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
As shown in the figure, the author soldered a STM32F207VET6 board using a TQFP (32-100PIN) 0.55MM to direct plug adapter board. The board leads out the SWD debug interface (only PA13 and PA14 are occ...[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]
STM32 ADC multi-channel conversion Description: Use ADC to continuously collect 11 analog signals and transfer them to memory through DMA. ADC is configured to scan and continuously convert mode,...[Details]