SP331
SP331 is Programmable Dual RS-232/RS-485 Transceiver manufactured by Exar.
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
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...
