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#include reg52.H #include intrins.H sfr P1_ADC_EN = 0x97; // A/D conversion function enable register sfr ADC_CONTR = 0xC5; //A/D conversion control register sfr ADC_DATA = 0xC6; //A/D conversion re...[Details]
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1. Set CPU internal registers, including status register and SP, etc. start_code: /* * set the cpu to SVC32 mode */ mrs r0, cpsr bic r0, r0, #0x1f orr r0...[Details]
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摘要：设计了一套基于CPCI总线，PCI9054桥接芯片和可编程逻辑器件(FPGA)的高速数据采集卡。FPGA作为本地主控芯片，根据工控机经PCI9054转发的采集命令，通过光纤接口实现与雷达接收机的通信。采用高速RAM缓存数据，采集的接收机测试数据的分析结果可在工控机上显示，从而实现了对雷达接收机性能的快速测试。该采集卡具有较强的通用性和可扩展性，详细介绍了高速数据采集卡的组成和工作原理、...[Details]
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As people's awareness of security precautions increases, the requirements for surveillance cameras are getting higher and higher. Infrared surveillance cameras can no longer meet people's require...[Details]
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1. Introduction This article describes how to use Timer 1 in the STM8S series to perform precise timing of 1S. 2. Experimental Platform Compiler software: IAR for STM8 1.42.2 Hardware plat...[Details]
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1 Overview
MSP430F149 has 6 groups of IO ports, each with 8 bits. The settings of IO ports include setting IO function, direction, and initial value of input and output registers. If no settings are ...[Details]
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On the production line, it is often involved in measuring various types of electronic components. A measuring device called an LCR tester is used in the measurement. This measuring device is also fas...[Details]
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Does Huawei have to build cars? April is the busiest time for Huawei people. The finance department has to fit the financial data for the new year. Although not a listed company, Huawei will annou...[Details]
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On September 10, the "2019 Second China-Europe Semiconductor Industry Cooperation Forum" was grandly held in the Netherlands, hosted by the China Semiconductor Industry Association, the Netherlands S...[Details]
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We generally use USART to output debugging information when debugging a program, or for serial communication.
Seeing how powerful the functions of USART are in the ST manual, in fact, we seldom u...[Details]
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In order to improve system communication efficiency and reduce costs, all current automotive designs use a large number of serial bus communication protocols. I2C and SPI protocols are commonly use...[Details]
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On June 22, GlobalFoundries announced the construction of a new wafer fab in its Singapore campus to expand its global manufacturing scale. It is reported that GlobalFoundries has worked hand in han...[Details]
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The serial port mentioned in embedded systems generally refers to the UART port, but we often don't understand the difference between it and the COM port, as well as the relationship between RS232 an...[Details]
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1. Introduction
At present, as
LEDs
develop
towards high
power
, the
driving
current
of many high-power LEDs
reaches 70 mA, 100 mA or even 1 A. Although th...[Details]
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Industrial control computers are computer systems specifically used in the field of industrial automation. Their structural characteristics are mainly reflected in the following aspects:
...[Details]
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