Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
Question 1: When performing trigonometric operations, which method is faster? I am currently using cossp in c67fastMath downloaded from the official website, but the time it takes is about six times t...
When debugging, you often need to check some signals inside the module under test or even the signals inside multiple submodules instantiated in the module under test to find the cause of the problem....
There is nothing much to say about the unboxing. It is a paper box, two micro data cables and a development board. There is a voice broadcast when it is powered on. The screen is quite beautiful.My co...
Program function: Configure GPIO12 as interrupt input. When the button is pressed, a falling edge interrupt is triggered, and the interrupt service subroutine flips the LED.
Interrupt vector tableMain...
The Political Bureau of the CPC Central Committee held a meeting on May 31, which pointed out that further optimizing the birth policy and implementing the policy of allowing a couple to have three ch...
1 Introduction In the previous article, I introduced how to set the chip boot mode. According to the IROM mode officially promoted by Samsung, I introduced how to boot from IROM mode and load our boo...[Details]
After the preparation in the first two sections, we can now start to work on the u-boot code. U-boot version: 2020/5/2 Compilation environment: Ubuntu 16.04 arm-none-eabi-gcc version 4.9.3 20150529 (...[Details]
With the rapid development of LED lighting industry, LED lighting fixtures have solved the problems of traditional lighting, such as explosion-proof and waterproof performance requirements in so...[Details]
;================================================== ;DS1302 control subroutine ;====================================================== ;The program includes: DS1302 initialization, time data...[Details]
CMX638 is a voice codec chip specially used in communication systems. This paper explains the basic structure and functions of CMX638, and gives the peripheral circuit design of the voice system ba...[Details]
The 2019 China (Chengdu) Electronic Information Expo will be held at the Chengdu Century City New International Convention and Exhibition Center from July 11 to July 13, 2019. As a leading enterprise...[Details]
This experiment is to display the key values of 89C52 and DT9122D infrared remote control on the digital tube. I hope it will be helpful to you. The procedure is as follows:
#include reg52.h
#inc...[Details]
XMC™ microcontrollers are at the heart of electric vehicle chargers, can help transform industrial and household appliances into smart IoT devices, and can control medical ventilators. Now, Infineon ...[Details]
Because the driver uses virtual addresses, the physical address of the network card must first be mapped to the virtual address *************************************************** ************ 1. Add...[Details]
According to the New York Times, Apple is scaling back its self-driving car plans and will focus on developing self-driving software and technology rather than producing self-driving cars itself. ...[Details]
On July 8, the Passenger Car Market Information Joint Committee released data showing that in June, domestic narrow passenger car sales totaled 1.575 million units, a year-on-year decrease of 5.1%; c...[Details]
Recently, the Map Technology Review Center of the Ministry of Natural Resources announced the phased progress in the review of advanced assisted driving maps for ordinary urban roads across the count...[Details]
Due to the impact of the COVID-19 epidemic, SDC (Samsung Display) will adjust its plan to close LCD factories, including three large-size LCD panel factories in South Korea, and the closure of the Su...[Details]
Xilinx's automotive-grade product line is expanding from edge sensors to complex domain controllers. November 12, 2019, Beijing, China - Xilinx, Inc. ( NAS DAQ: XLNX), the global leader in adap...[Details]
From 2004 to 2007, the United States held three driverless challenge competitions, which gave birth to the field of autonomous driving. As a result, autonomous driving has entered the era of indust...[Details]
DSP and ARM Processors
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