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ISO1412: 关于1412芯片管脚的问题

Part Number: ISO1412
Other Parts Discussed in Thread: THVD1400

工程师你好,

我在阅读ISO1412芯片规格书时,发现在这款全双工RS422芯片中,依然设置了RE与DE管脚。

1.请问这样设置的目的是为了方便用户进行半双工输出么?即用A连接Y,用B连接Z,然后进行双线半双工RS485输出?

2.在此连接下,接口防护参数设置是否和普通的半双工RS485芯片(如THVD1400)输出一致?

感谢。