SP331 Datasheet (EXAR) - Programmable Dual RS-232/RS-485 Transceiver

SP331, Programmable Dual RS-232/RS-485 Transceiver

The SP331 is a programmable RS-232 and/or RS-485 transceiver IC.

The SP331 contains four drivers and four receivers when selected in RS-232 mode; and two drivers and two receivers when selected in RS-485 mode.

The SP331 also contains a dual mode which has two RS-232 drivers/receivers plus one differ

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