Part Number
|
SP331 |
Manufacturer
|
EXAR |
Description
|
Programmable Dual RS-232/RS-485 Transceiver |
Published
|
Nov 22, 2016 |
Detailed Description
|
SP331
Programmable Dual RS-232/RS-485 Transceiver
• +5V Only Operation • Software Programmable RS-232 or RS-485
Selec...
|
Datasheet
|
SP331
|
Overview
SP331
Programmable Dual RS-232/RS-485 Transceiver
• +5V Only Operation • Software Programmable RS-232 or RS-485
Selection • Four RS-232 Transceivers in RS-232 Mode • Two RS-485 Full-Duplex Transceivers in
RS-485 Mode • Two RS-232 Transceivers and One RS-485
Transceiver in Dual Mode • Self-Testing Loopback Mode • Full Driver Tri-State (Hi-Z) Control • Ideal for RS-232 to RS-485 conversion
TI4 1 SEL_B 2
TX4 3 TX3 4 VCC 5 TX1 6 TX2 7 GND 8 C1+ 9 V+ (VDD) 10 C2+ 11 C1– 12 C2– 13 V– (VSS) 14
SP331
28 TI3 27 TI2 26 TI1 25 SEL_C 24 SEL_A 23 SEL_D 22 RX4 21 RX3 20 RX2 19 RX1 18 RI4 17 RI3 16 RI2 15 RI1
DESCRIPTION The SP331 is a programmable RS-232 and/or RS-485 transceiver IC.
The SP331 cont...
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