The vector written for the interrupt in 2440test is a bit hidden and goes around in circles. No wonder it is so difficult to understand. Let's unravel this thing and see clearly what the process is. [...
[i=s] This post was last edited by freebsder on 2019-4-10 17:49 [/i] ST's Bluetooth NUCLEO board has been released [url=https://www.st.com/content/st_com/zh/products/evaluation-tools/product-evaluatio...
Recommend a 24-bit ADC module (not a chip), preferably with the same pin definition as the attachment, 12pin, SPI interface, dual channel, 3.3V power supply...
People often encounter this problem. When using a non-isolated module with a POE switch, several POE switch ports will not be powered. What is the problem? This is because of the POE chip on the POE m...
What are the types of LDOs used in portable mobile devices?Common 6206, 65Z5 ripple test methodsThe comparison test data that engineers like to see the most:[b][color=#5E7384]This content is originall...
The DS1307 calendar module I use also comes with an AT24C32 EEPROM chip. See the picture below for details. The DS1307 chip on the left and the AT24C32 chip on the right.This EEPROM has 16-bit address...
On February 3rd local time, the Semiconductor Industry Association (SIA) announced that global semiconductor industry sales in 2019 were US$412.1 billion, a decrease of 12.1% from the total in 2018. ...[Details]
LED backlight is becoming a trend, pouring into people's lives. From the debut of LED backlight laptops in 2008 to the grand debut of LED backlight LCD TVs in 2009, they have attracted people's att...[Details]
Foxconn, a global electronics OEM, announced its first quarter 2019 financial report. Due to a 20% cash reduction last year, Foxconn's net profit per share after tax in the first quarter of this year...[Details]
Huawei string photovoltaic inverters generally do not come with centralized photovoltaic inverters, 1MW is used more, the power is relatively large, currently 500KW, the power is generally small, curr...[Details]
Using the technology of producing polycrystalline silicon ingots, we can obtain the high quality of CZ-pulled single crystal silicon; we can produce something that originally cost 160 yuan with a cost...[Details]
Recently, TrendForce, a Taiwan-based consultancy, said in a research report that due to the continued hot sales of the iPhone 13 series and the support of the new iPhone SE3, iPhone sales in the firs...[Details]
1. If the kernel image is compressed, it needs to be decompressed. The first step of booting is to start from decompression: archarmbootcompressedhead.S 2. After decompression, the kernel image alr...[Details]
The flexibility of digital control allows OEMs to design only one controller to drive a variety of end products, improving design flexibility and bringing new intelligence and differentiation to light...[Details]
Build the environment and compile the code 1) Download cygwin4wm_setup_v1.1.1.rar, unzip and install 2) Download the W800 SDK code and unzip it 3) Compile the code Find the directory where you ju...[Details]
In this article, we describe the rise and evolution of Automotive Ethernet and examine the capabilities and benefits of one of its most recent variants, 10BASE-T1S, in emerging automotive area archit...[Details]
Manual welding requires very high operating skills, and for some complex workpieces, it may take several hours. When welding manually, it is difficult to maintain the stability and consistenc...[Details]
Recently, the Shenzhen Stock Exchange officially accepted the GEM IPO application of Jiangsu Juncheng Electronic Technology Co., Ltd. (hereinafter referred to as: Juncheng Electronic). According to...[Details]
When compiling the program for the first time using KEIL5, an error occurs: “can not open source input file "core cm4.h"” Solution: Manually add a path (1) Open "C/C++" in the Magic...[Details]
Foreign media CNBC published an article today, reporting some stories behind the Apple Card credit card, including the cooperation between several well-known American banks or financial groups and Ap...[Details]
Third quarter net revenue of $3.25 billion; gross margin of 37.8%; operating margin of 11.7%; net profit of $351 million
Net revenue for the first nine months was $9.95 billion; gro...[Details]