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usart3.h //STM32F407zgt6 串口3 #ifndef __USART3_H #define __USART3_H #include "sys.h" #define USART3_MAX_RECV_LEN 255 #define USART3_MAX_SEND_LEN 255 extern u8 USART3_RX_buf ; extern u8 USART3_TX_buf ...[Details]
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1. Overview:
This article introduces the characteristics of bipolar SPWM control. Bipolar control is high-frequency switching, without industrial frequency switching. Q1, Q2 synchronous switch...[Details]
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In the first few parts of this lecture, we systematically and comprehensively explained the knowledge of electromagnetic compatibility component selection and design skills from four aspects: EMC c...[Details]
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The oscilloscope probe is crucial to the accuracy and correctness of the measurement results. It is an electronic component that connects the circuit under test to the input terminal of the oscillosc...[Details]
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The 2440 connects to devices (AT24Cxx) via the I2C bus, and there is an I2C controller inside the chip. When the master (2440) is a Transmitter, the slave is a Receiver. When the master is a Recei...[Details]
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The possible reason why the open-circuit pointer of the megger E and L terminals does not indicate "∞": the voltage circuit is open (the moving coil is broken, the guide wire is desoldered, and the a...[Details]
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AMS (Analog Mixed Signal) technology is a key technology that differentiates Xilinx from other companies and is one of the key innovative technologies that allow Xilinx customers to gain a generation...[Details]
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The power-on reset POR (Pmver On Reset) of the 80C51 microcontroller is essentially a power-on delay reset, that is, the microcontroller is locked in the reset state during the power-on delay period. ...[Details]
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IT Home reported on May 3 that according to MacRumors, Apple today began selling refurbished versions of the Apple Watch Series 7, which is the latest Apple Watch released in September 2021. The st...[Details]
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Most gas-fired lime kilns at home and abroad generally use a mixture of blast furnace gas and coke oven gas or converter gas and coke oven gas to calcine lime. Due to changes in the process conditions...[Details]
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On August 11, Xiaomi CEO Lei Jun announced the latest progress of Xiaomi Automobile in his annual speech. He said that autonomous driving is the key to success of smart electric vehicles. Xiaomi's au...[Details]
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What is the use of the video output of the amplifier?
Video outputs on amplifiers are uncommon, as amplifiers are primarily designed to amplify audio signals, not video signals. However, some ...[Details]
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Lenovo Group announced its investment in the chip field on its official WeChat account yesterday. Lenovo said that the news of its strategic investment in BYD Semiconductor some time ago attracted at...[Details]
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0 Introduction
The traditional digital filter hardware is mainly realized by using application-specific integrated circuits (ASIC) and digital signal processors (DSP). The SRAM lookup table (L...[Details]
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Precision timekeeping
Precision timing provides the heartbeat for the computing and networking components that make up Advanced Driver Assistance Systems (ADAS). The right timing solution help...[Details]