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网络IO控制单芯片

发布时间:2019-09-19 作者:上海卓岚 浏览量:8351
1.网络IO单芯片介绍

ZLAN1043是单芯片以太网转串口芯片,除此之外,它还具有Modbus TCP转RTU、定时发送心跳包、发送注册包、JSON转Modbus RTU、MQTT网关等功能,本文主要介绍ZLAN1043的网络IO控制功能。

网络控制IO芯片

wangluoiokongzhiqishitongguowangkouduishebeideshuziliangshuru(di)jinxingduquduishuziliangshuchu(do)jinxingkongzhideyizhongshebei,chengpinshebeibiruzlan6042(4ludi/dokongzhiqi)、zlan6842(8ludi/dokongzhiqi)deng。benwenjieshaozlan1043xinpianruheshejizlan6042、zlan6842leisichanpindefangfa。

zlan1043shejiwangluoiokongzhiqideyoudianbaokuo:

1.zhiyaoyikehexinxinpianpeiheyixiedianzudianrongjikeshixiandi/do。shiyongjiandan,xingjiabigao。

2.wuxufuzadewangluobiancheng,chunyingjiansheji,zhixuyaopeizhigezhongdi/doshuruduiyingdewangkouzhilingjike。

3.wangluokongzhizhilingkezidingyi,zuichangyongdeshimodbuszhiling。

4.muqianzhichi8gedi/do(di/dojiaqilaiwei8ge),di/dokeyizaishiyongshidingyi。

2.设计电路图

wangluoiodecankaoyuanliturutu2、tu3suoshi。

网络IO控制器参考原理图

网络IO控制器参考原理图

网络接口部分(RJ45集成网络变压器)

youyishangdianlutukezhi,shiyongzlan1043jinxingshejiwangkouiokongzhiqi,waibuzhiyaotigong3.3vhe1.8vdedianyuan、wangkoujike。guanyu8gegpiodeyinjiaodingyiqingcankaoxiangguanwendang。dangzuoweishurushigpiokeyiyong1kshangla;dangzuoweishuchushi,duiqudongjidianqidengdadianliuqijianqudongshi,qingshiyongsanjiguan、dalindunguandengjinxingdianliufangda。

3.引脚指令配置

jiangtigongde8geyinjiaodingyiweipin[1]…pin[8]。shiyongpeizhigongjuzlvircomkeyishezhimeigeyinjiaoweishuruhaishishuchu。ruoweiweishuru,zeshezhiwangluochaxunhefanhuizhilingdegeshi,keyiweimodbus tcphuozhezidingyixieyi,ruoweizidingyixieyizeshuruzidingyiminglingdegeshi。keyishezhikongzhipin[1]…pin[8]shuchugaodianpinghedidianpingduiyingdewangluokongzhizhilingdegeshi。

shejiwanbihoujiangshejiwenjiantongguowangkouxiazaidaozlan1043xinpianneibu,zhongxinshangdianhou,xinpianhuijieshouganggangshejidewangluomingling,shixianwangluodi/dogongneng。

4.网络工作模式

ruguoshebeihejisuanjidouzaijuyuwangneibu,jianyipeizhixinpianweicaiyongtcpfuwuqigongzuomoshi(morenmoshi)。ruguoshikongzhidefuwuqizaigongwang,qiejuyougongwangip,jianyicaiyongtcpkehuduanmoshi,peizhizlan1043lianjiedaozheigegongwangfuwuqi。

ruguotongguop2pmoshijinxingyuanchengiodeshurushuchuqingshiyongzlan1043nxinpian。guanyup2pdeshiyongqingcankaozhuolanp2pxiangguanwendang。