[size=4]ldr/str can only access 4 bytes of memory per cycle. If you need to read or write memory in batches, it is too slow. The solution is stm/ld[/size] [size=4]For example (uboot start.S line 537) ...
Bandwidth is what keeps our digital world running. We need faster and faster speeds to keep all kinds of activities going on in all walks of life. Although the Ethernet protocol (the data connection b...
[i=s]This post was last edited by Mowen@ on 2022-3-25 10:46[/i]1. Overview
We have already completed functions such as obtaining the playback link, searching for music, and displaying the interface. S...
[i=s]This post was last edited by dcexpert on 2021-5-4 19:26[/i](Link is broken, waiting for update)A comprehensive MicroPython firmware development tutorial that steps into the world of Python for mi...
1. Project Overview 1.1 Introduction Energy shortage is a new problem facing the world in the 21st century. In addition to finding new energy reserves, energy conservation and efficiency improvem...[Details]
C&K, a manufacturer of high-reliability electromechanical switches, has developed a series of illuminated key switches that provide smooth positive tactile feedback and crisp tactile sound, thereby ...[Details]
1. Turn off the circuit. 2. Select the resistance level (?). 3. Insert the black test probe into the com input socket. Plug the red test probe into the ? input jack. 4. Connect the front end of the p...[Details]
An oscilloscope is a tool used to detect various circuit states and display them in the form of waveforms. It can also be used to check circuit board faults. In many cases, it is more useful than a m...[Details]
When we studied the traditional MCS-51 microcontroller, we must have studied the storage structure of the 51 microcontroller. The traditional MCS-51 memory has three spaces, namely on-chip RAM (inter...[Details]
The GNU assembler is part of GNU Tools and can be used to compile ARM assembly language source code into binary files. For an introduction to the GNU assembler, you can search for the GNU Assembl...[Details]
As the core sensor of the intelligent driving system, LiDAR provides vehicles with rich and accurate environmental information through its three-dimensional environment reconstruction capability. I...[Details]
If the Tianwen-1 mission progresses smoothly, my country's deep space exploration capability and technological level will achieve leapfrog development, making it the third country in the world to lan...[Details]
On September 7, well-known analyst Ming-Chi Kuo broke the news that Apple plans to use its own modem chips in iPhones starting in 2025. According to Ming-Chi Kuo, Apple’s self-developed 5G baseband m...[Details]
Today, Weibo blogger @数码闲聊站 released some information about the OPPO Find X5 phone. The series is tentatively scheduled to have three models, which will be equipped with the Dimensity 9000/Snapd...[Details]
introduction
Power outages caused by power grid and distribution system failures often occur at various engineering sites. For short-term power grid "power swings", large electromechanical equ...[Details]
Internationally interchangeable: It adopts the international standard size established by IEC (International Electrotechnical Commission) and is internationally interchangeable.
Excellen...[Details]
Recently, Tesla officially announced that its map data service provider will be replaced by Baidu Maps, which will provide Tesla with map data services in China. Tesla's car navigation system in Chin...[Details]
ROHM, a world-renowned semiconductor manufacturer headquartered in Kyoto, Japan, will participate in the world's leading trade fair and conference for electronic components, systems, applications a...[Details]