RS-485 Ver la hoja de datos (PDF) - Exar Corporation
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Fabricante
RS-485 Datasheet PDF : 23 Pages
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SP339E
REV. 1.0.4
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
SUGGESTED DB9 CONNECTOR PINOUT
DB9
Pin
1
2
3
4
5
6
7
8
9
RS-232
DCD
RXD
TXD
DTR
DSR
RTS
CTS
RI
RS-485/422
Full Duplex
TX-
TX+
RX+
RX-
Ground
RS-485
Half Duplex
Data-
Data+
5
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