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On October 29, SK Hynix announced that it would acquire South Korea-based wafer foundry Key Foundry for 576 billion won (US$493 million). Industry data shows that Key Foundry is an 8-inch wafer fou...[Details]

　　 1 System Hardware Design 　　The system structure is shown in Figure 1, using the 51 series single chip AT89C55 and AT89C51 produced by ATMEL Company as the core, in which the host machine uses A...[Details]

The input signal of the noise box circuit is amplified when it passes through the transistor. The distorted output is then clamped by two diodes, and the high-frequency noise is filtered by the circu...[Details]

Circuit introduction The circuit is composed of a power supply circuit, a microcontroller circuit, an environmental illumination detection circuit and a control output circuit. C1, VDl, VD2, C2, VD...[Details]

Recently, Beijing Yihuatong Technology Co., Ltd., a company that plans to be listed on the Science and Technology Innovation Board, was approved by the Listing Committee. The company responded to the...[Details]

Introduction: Use the T0 and T1 timing counter functions of the AT89S51 microcontroller to count the frequency of the input signal, and the counting frequency result is displayed through an 8-bit dyn...[Details]

/* MAIN.C file  *   * Copyright (c) 2002-2005 STMicroelectronics  */  //Delay function #include "stm8s103f3p.h" void delay_40us(void); void delay_1ms(void); void delay_ms(int); void delay_1s(void);...[Details]

1. Trends and technical challenges of autonomous driving In 2013, the first autonomous vehicle was operating in mixed public transit traffic; by 2019, 29 U.S. states had passed laws allowing autono...[Details]

Introduction With the continuous development of industrial technology, the requirements for microcontroller control are becoming higher and higher. Microcontrollers are required to have higher respo...[Details]

Let's talk about the scope of variables first. For example, in a function, the memory unit of the parameter variable is allocated only during the call and released immediately after the call ends. Thi...[Details]

Recently, an insider revealed that Apple's next-generation car will be equipped with self-developed battery technology. At the same time, there is no report that Apple is also researching lidar senso...[Details]

Basic knowledge of CAN: Characteristics of CAN protocol: 1.   Multi-host control. When the bus is idle, all units can send messages. If more than two units start sending messages at the same time, ...[Details]

Atomic read operations are commonly used in MCU concurrent programming. Let's take a simple example to illustrate the problem: When we use RTOS or bare metal state programming, we must have a global...[Details]

    The scale of SoC chips is generally much larger than that of ordinary ASICs. At the same time, the design difficulties brought by deep submicron technology have greatly increased the complexity o...[Details]

1. Position and function of motor controller in electric vehicles The motor controller is the core module of electric vehicles and also the decisive factor of the vehicle's power performance. ...[Details]