SP337EBEY-L Datasheet, PDF (4/18 Pages) Exar Corporation – 3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER

SP337E
3.3V TO 5V RS-232/RS-485/RS-422 MULTIPROTOCOL TRANSCEIVER
Pin Assignments
REV. 1.0.2
PIN # PIN NAME
TYPE
RS-232
DESCRIPTION
RS-485/RS-422
T1 Driver Input
T1 Driver Input
27
TI1
Input _{This pin has a 400k pull-up to Vcc in both RS-232 and RS-485 modes.}
The pull-up is disabled in the SP337EU shutdown mode.
T2 Driver Input
X*
28
TI2
Input _{This pin has a 400k pull-up to Vcc in both RS-232 and RS-485 modes.}
The pull-up is disabled in the SP337EU shutdown mode.
* _{Pins marked with an X in the above table are ignored or "don’t care" in the listed mode, provided}
they do not exceed Vcc or go below ground. Some of these pins have a pull-up to Vcc which
remains active in both RS-232 and RS-485 mode, but is disabled in the SP337EU shutdown mode.
4