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项目需求是这样的,RS422芯片要能全/半双工可设,并且能兼容485总线,同时能波特率可调,不知道哪款可以满足这些功能呢?
你好,你可以看下SN65LBC175A ,能全/半双工可设。可用于 TIA/EIA-485, TIA/EIA-422标准
http://www.ti.com.cn/product/cn/sn65lbc175a
你具体需要哪类芯片,满足485/422标准的transceiver还是其他的?另外,波特率是和通信距离有关的,不知你指的可调具体是个什么样的应用。