[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) ...
I have written an I2C code based on the STM8s library function, and encountered a problem. When reading data, after the timing resends the start signal, the SDA line is always low. I don’t know how to...
What's wrong with my keying program? Why is RA3 never 1? Can anyone help me figure it out? Thanks!
void main(void) {init_usart();TRISA= 0xCC;TRISB= 0x00;TRISC= 0Xc0; //RC7 is RX, set as inputTXREG='';...
Circuit grounding1 may look simple in a schematic; however, the actual performance of a circuit is determined by its printed circuit board (PCB) layout. Moreover, analysis of ground nodes is difficult...
My LCD is Innolux 5.6-inch AT056TN52. Symptoms: No backlight display, and the image is very weak. It feels like I can't emit any light, and I can only see the image with natural light. Reason: Every t...
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
There are many motors that can use thyristor speed control, and they can be used in almost all industries. Various types of motors, such as fans, pumps, AC motors, DC motors, torque motors, single-...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
According to Reuters, citing people familiar with the matter, British semiconductor design company Arm Holdings (NASDAQ:ARM) has hired Rami Sinno, head of Amazon's (NASDAQ:AMZN) artificial intellig...[Details]
Microcontroller MCU
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