1. About setup/hold time
1) Assuming that the positive clock skew is 10ns , what is the maximum circuit frequency?2) Maximum tolerable positive clock skew
3) Maximum tolerable negative clock skew
Posi...
The location of the current sense resistor, along with the switching regulator architecture, determines the current to be sensed. The sensed currents include the peak inductor current, the valley indu...
First time programming, no experience. Programming error: Programming failed at Program Memory address0x000000 There is no problem with programming, but an error occurred during programming. I have tr...
When using the serial port of c8051f020 to send data to the serial port of PC, it is always unsuccessful. I hope the experts can give me some advice: Serial port debugger settings: 8-N-1; Baud=38400; ...
[i=s] This post was last edited by Yunhu Congbai on 2022-1-28 17:44 [/i] ## Preface I was so happy for a while, but after checking the datasheet in detail, I found that it does not support SLCD. I was...
In 2017,
Sanan Optoelectronics
achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[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]
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]
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]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[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]
Using the WWDG of STM32F030, it is found that the MCU will not be reset under STOP, just like the sleep mode of STM8S. Paste the watchdog code: /******************************************************...[Details]
STM32 has three startup modes. In RM0008 downloaded from the ST official website, you can find the startup-related configuration instructions: Translated into Chinese: The storage media corresp...[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]
About a dozen years ago,
AMD
was also a rival to Intel. It can be said that the two microprocessor manufacturers have been in love and hate for many years, which is completely a commercial ...[Details]
On January 30, the Tai'an Sports College coal-to-electricity thermal storage heating project designed and constructed by Shandong CITIC Energy successfully passed the acceptance. The acceptance tea...[Details]
From early June to November 2017, MSO 5 has been launched with a stunning temperament and appearance. From wider channel selection, more powerful functions, more fashionable touch screen, unprecedent...[Details]