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RS232 Transmit Receive Pins

jimmykk

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Hi
I have got a new connector whose datasheet specifies Transmit, Receive signals in a different way as shown below:
TxRxPin.JPG

So what i wanted to confirm is : When it says S>M it means Master is receiving data and when M>S, Master is transmitting data.
 

KlausST

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Hi,

Honestly speaking, I like (and often name my signals) this way of naming, because it´s more clear (but not common).

To name a signal RECEIVE, Rx or RxD simply is not clear.
What on the one end of the wire is Tx ... on the other end of the wire it is Rx and vice versa.

Similar to SPI signal names "MOSI" and "MISO"..
I often use names like S2M (here "S>M"), Slave_to_Master and M2S, Master_to_Slave with RS232, UART TTL signals, and similar signals.

So I agree with you and Brian.

Klaus
 

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