XRT79L71 Datasheet, PDF (128/441 Pages) Exar Corporation – 1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC

XRT79L71
REV. P1.0.3
PRELIMINARY
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1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
BLOCK INTERRUPT STATUS REGISTER (DIRECT ADDRESS = 0X1105)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
DS3/E3
Frame
Sync Block
Interrupt
Status
Unused
R/O
R/O
R/O
R/O
R/O
R/O
0
0
0
0
0
0
BIT 1
DS3/E3
Frame
Generator
Block
Interrupt
Status
R/O
0
BIT 0
One Second
Interrupt
RUR
0
BIT NUMBER
NAME
7
DS3/E3 Frame Synch
Block Interrupt Status
6-2
1
Unused
DS3/E3 Frame Generator
Block Interrupt Status
0
One Second Interrupt
Status
TYPE
R/O
R/O
R/O
RUR
DESCRIPTION
DS3/E3 Frame Synchronizer Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a "DS3/E3
Frame Synchronizer Block"-related interrupt is requesting inter-
rupt service.
0 - The DS3/E3 Frame Synchronizer block is NOT requesting
any interrupt service.
1 - The DS3/E3 Frame Synchronizer block is requesting interrupt
service.
DS3/E3 Frame Generator Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a "DS3/E3
Frame Generator" -related interrupt is requesting interrupt ser-
vice.
0 - The DS3/E3 Frame Generator block is NOT requesting any
interrupt service.
1 - The DS3/E3 Frame Synchronizer block is requesting interrupt
service.
One Second Interrupt Status:
This RESET-upon-READ bit-field indicates whether or not a
"One Second" Interrupt has occurred since the last read of this
register.
0 - The One Second Interrupt has NOT occurred since the last
read of this register.
1 - The One Second Interrupt has occurred since the last read of
this register.
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