XRT74L74 Datasheet, PDF (83/498 Pages) Exar Corporation – 4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER

PRELIMINARY
XRT74L74
4 CHANNEL, ATM UNI/PPP DS3/E3 FRAMING CONTROLLER
REV. P1.1.1
OPERATION GENERAL PURPOSE PIN DATA REGISTER (ADDRESS = 0X0147)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
Unused
General
Purpose
Data [3]
General
Purpose
Data [2]
General
Purpose
Data [1]
R/O
R/W
R/W
R/W
0
0
0
0
BIT 0
General
Purpose
Data [0]
R/W
0
OPERATION GENERAL PURPOSE PIN DIRECTION CONTROL REGISTER (ADDRESS = 0X014B)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Unused
General
General
General
General
Purpose Pin Purpose Pin Purpose Pin Purpose Pin
Direction [3] Direction [2] Direction [1] Direction [0]
R/O
R/W
R/W
R/W
R/W
0
0
0
0
0
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