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从全半双工RS -485适配器转换数据线

资料介绍
摘要:一个适配器电路组成一个RS- 485收发器( MAX3076或MAX13086 )和电压监视器用作定时器( MAX641X )允许在一个更复杂的现有点,以点全双工电路功能点,点对多点半双工系统。

Maxim > App Notes > Amplifier and Comparator Circuits Communications Circuits Interface Circuits
Keywords: RS-485 adapter, full duplex, point-to-multipoint half duplex, voltage monitors Jan 06, 2011

APPLICATION NOTE 4554
RS-485 Adapter Converts Data Lines from Full- to Half-Duplex
By:Massimo Caprioli


Abstract:An adapter circuit consisting of an RS-485 transceiver (MAX3076 or MAX13086) and a voltage monitor used as a timer
(MAX641X) allows an existing point-to-point full duplex circuit to function in a more-complex point-to-multipoint half-duplex
system.

A similar version of this article appeared in the June 21, 2007 issue of Electronic Design magazine.

Multiprotocol interface ICs (such as the MAX3162 from Maxim) can be used to connect a U……
从全半双工RS -485适配器转换数据线
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