基于STM32的门禁系统
设计
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摘要:本文介绍了基于STM32的门禁控制系统(网络通信模块)的相关模块。系统采用STM32F407ZGT6单片机作为主控芯片,STM32系列芯片功耗低,性价比高,产品成熟稳定。
射频卡通过读卡器读取后转化为二进制数据,通过韦根信号接口与控制设备相连,由于韦根信号传输距离远,处理方便,所以一个处理器对多路韦根信号进行处理从而达到控制多路门的目的。
主要介绍了STM32F407自带有10/100Mbit/s的以太网MAC内核PHY层芯片LAN8720A,精简介质独立接口RMII以及以太网MAC 802.3。
关键词:STM32,门禁系统,ENC424J600网络控制器,以太网内核
Abstract:This paper introduces the related modules of the access control system (network communication module) based on STM32. This system uses single-chip STM32F407ZGT6 as main control chip, STM32 series chip of low power consumption, high price, mature and stable product.
RF card through a card reader to read after conversion to binary data, through the Wiegand signal interface and control device is connected, the Wiegand signal transmission distance is far away, the processing is convenient, so a processor of Wiegand signal were treatment so as to achieve the purpose of controlling multiple doors.
Mainly introduces the stm32f407 comes with 10/100Mbit/s Ethernet MAC kernel PHY chip LAN8720A, streamlined media independent interface RMII and Ethernet 802.3 Mac.
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