sp337e Exar Corporation, sp337e Datasheet - Page 15

• Manufacturer Part Number: sp337e
• Description: 3.3v To 5v Rs-232/rs-485/rs-422 Multiprotocol Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.2
SP337E Mode Configuration tables
RS232/RS485
RS232/RS485
High
High
High
High
High
High
High
High
Low
Low
Low
Low
Ignored
Ignored
Ignored
Ignored
TXEN
TXEN
High
High
High
High
Low
Low
Low
Low
RXEN
RXEN
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
RS-485/422
RS-485/422
RS-485/422
RS-485/422
RS-485/422
RS-485/422
RS-485/422
RS-485/422
Full-Duplex
Full-Duplex
Full-Duplex
Full-Duplex
Full-Duplex
Full-Duplex
Full-Duplex
Full-Duplex
RS-232
RS-232
RS-232
RS-232
T
T
ABLE
ABLE
Operation
Operation
1: SP337EB
2: SP337EU
15
3T/5R
3T/5R
2T/2R
2T/2R
2T/2R
2T/2R
3T/5R
3T/5R
2T/2R
2T/2R
2T/2R
2T/2R
Charge Pump
Charge Pump
(Shutdown)
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
Driver and Receiver
Driver and Receiver
Receivers Disabled
Receivers Disabled
Receivers Disabled
Receivers Disabled
Receivers Disabled
Receivers Disabled
Receivers Enabled
Receivers Enabled
Receivers Enabled
Receivers Enabled
Receivers Enabled
Receivers Enabled
Drivers Enabled;
Drivers Enabled;
Drivers Disabled
Drivers Enabled;
Drivers Disabled
Drivers Enabled;
Drivers Disabled
Drivers Disabled
(High-Z Output);
(High-Z Output);
(High-Z Output)
(High-Z Output)
(High Z output);
(High-Z Output)
(High-Z Output)
(High Z output);
(High Z output)
(High Z output)
SP337E