SP522 Datasheet, PDF (14/23 Pages) Sipex Corporation – Low-Cost Programmable Multi-Protocol Transceivers

MODE: RS422/485
DRIVER
RECEIVER
DP0
DP1
DP0
DP1
0
1
0
1
R1INA (18)
R1OUT (1)
R1INB (17)
R2INA (20)
R2OUT (24)
R2INB (19)
SP522
RECEIVERS DRIVERS
T1IN (10)
T1OUTA (11)
T1OUTB (12)
T2IN (9)
T2OUTA (15)
T2OUTB (16)
LATCH_EN
1
LOOPBCK
1
ENTX ENRX
1
0
Figure 12. Mode Diagram — RS422/RS485 for the SP522
Rev. 7/10/03
SP522 Multi–Mode Serial Transceivers
14
© Copyright 2003 Sipex Corporation