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　　1. Hardware interface circuit 　　 　　The figure below shows the circuit diagram of an AT89S51 microcontroller with an 82C55 expansion chip. In the figure, 74LS373 is an address latch, P0.1 and P0.0 a...[Details]

1 Working mode 0  When the timer / counter T0 works in mode 0, only 13 bits of the 16-bit counter are used, namely the upper 8 bits of TH0 and the lower 5 bits of TL0, forming a 13-bit timer /count...[Details]

Internet TV (IPTV), also known as interactive network TV, is a new technology that uses the infrastructure of the Internet, takes TV as the main terminal device, integrates multiple technologies su...[Details]

Interrupt Concept 1. Interrupt life cycle The serial port first generates an event, which is transmitted to the interrupt controller. The interrupt controller will perform cor...[Details]

Recently, Hikvision released a plan (revised draft) to spin off its subsidiary Hangzhou Hikvision Robotics Co., Ltd. (hereinafter referred to as "Hikvision Robotics") and list it on the She...[Details]

Today, Arm technology is used in many areas. Your Android phone is based on an Arm chip, and the much-praised Apple M1 chip is also based on Arm. This growing portfolio is one of the main reasons why...[Details]

Set the period by calculation.   #include msp430f149.h      void main( void )   {     // Stop watchdog timer to prevent time out reset     WDTCTL = WDTPW + WDTHOLD;             //WDTCTL = 0X5A80;关狗...[Details]

      The iPhone 12 has just started selling, and some people can't wait to share the news about the iPhone 13. If the news is reliable, the new generation of iPhone 13 may have both Touch ID fingerp...[Details]

Many products now use wireless technology, such as wireless teaching microphones, wireless amplifiers, wireless gaming headsets and other audio products. How do wireless products work? 2.4G wireles...[Details]

 On March 11, Nexperia Semiconductor, a wholly-owned subsidiary of Wingtech Technology and a global leader in power semiconductors, announced that it will start in-depth cooperation with United Autom...[Details]

Maxim Integrated Launches Trinamic Servo Controller/Driver Module to Speed ​​Up Robotics and Automation Equipment While Reducing Power Consumption by 75% Single-axis controller/dri...[Details]

Microsoft said on Thursday it would wait for federal regulations before selling facial recognition technology to police, Reuters reported, adding that it was the latest major company to announce a ha...[Details]

Series 4: Tektronix solution resolves difficulties in smart cockpit HDMI display interface testing HDMI can transmit video and audio data at the same time, with simple connection and good compatib...[Details]

Ericsson predicts that the number of IoT devices will reach 1.5 billion in 2022 and the number of industrial IoT connections will exceed 3.5 billion by 2023. The explosive growth of embedded computer...[Details]

introduction TMS320F2407A is a high-speed, high-performance, low-cost microprocessor. It integrates many external expansion devices required by numerical control systems and can realize SP...[Details]