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| SP301 Datasheet, PDF (7/18 Pages) Sipex Corporation – RS-232/RS-422 Line Drivers/Receivers | |||
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FIGURE 3: SP301 CONTROL LOGIC CONFIGURATION
SELECTION
SELECT A:
SELECT B:
NONâ
LOOPBACK
(LB = 1)
LOGIC VALUE
0
0
RIA1
ROA
LOGIC VALUE
0
1
RIA1
ROA
TOA1
TIA
TOA1
TIA
LOGIC VALUE
1
0
LOGIC VALUE
1
1
RIA2
RIA1
TOA1
TOA2
ROA
RIA2
RIA1
TIA
TOA1
TOA2
ROA
TIA
RIB1
TOB1
ROB
TIB
RIB2
RIB1
TOB1
TOB2
ROB
TIB
RIB1
TOB1
ROB
TIB
RIB2
RIB1
TOB1
TOB2
ROB
TIB
LOOPBACK
(LB=0)
RIA1
TOA*1
RIB1
TOB*1
ROA
RIA1
TIA TOA*1
RIB2
ROB RIB1
TOB*1
TIB TOB*2
ROA
RIA2
RIA1
TOA*1
TIA TOA*2
ROB RIB1
TIB
TOB*1
ROA
RIA2
RIA1
TIA
TOA*1
TOA*2
RIB2
ROB RIB1
TOB*1
TIB TOB*2
ROA
TIA
ROB
TIB
RS-232 DRIVER
* Triâstate Output
RS-232 RECEIVER RS-422 RECEIVER RS-422 DRIVER
Corporation
SIGNAL PROCESSING EXCELLENCE
57
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