XRT79L71_1 Datasheet, PDF (37/434 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -

REV. 1.0.0
XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - REGISTER/MAP DESCRIPTION
BIT NUMBER
NAME
7-4
Unused
3
DS3/E3 LIU/JA Block
Interrupt Status
2
DS3/E3 Framer Block
Interrupt Status
1-0
Unused
TYPE
R/O
R/O
R/O
R/O
DESCRIPTION
DS3/E3 LIU/JA Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a DS3/E3
LIU/JA Block interrupt is awaiting service.
0 - No DS3/E3 LIU/Jitter Attenuator block interrupt is awaiting
service.
1 - At least one DS3/E3 LIU/Jitter Attenuator block interrupt is
awaiting service.
DS3/E3 Framer Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a DS3/E3
Framer Block interrupt is awaiting service.
0 - No DS3/E3 Framer block interrupt is awaiting service.
1 - At least one DS3/E3 Framer block interrupt is awaiting ser-
vice.
Operation Interrupt Status Register - Byte 0 (Address = 0x0113)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
Unused
Receive
ATM Cell/
PPP Proces-
sor Block
Interrupt
Status
R/O
R/O
R/O
R/O
R/O
0
0
0
0
0
BIT 2
Unused
R/O
0
BIT 1
R/O
0
BIT 0
Transmit
ATM Cell/
PPP Proces-
sor Block
Interrupt
Status
R/O
0
BIT NUMBER
NAME
7 -5
Unused
4
Receive ATM Cell/PPP
Processor Block
Interrupt Status
3-1
Unused
TYPE
R/O
R/O
R/O
DESCRIPTION
Receive ATM Cell/PPP Processor Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a Receive
ATM Cell/PPP Processor Block Interrupt is awaiting service.
0 - No Receive ATM Cell/PPP Processor block interrupt is await-
ing service.
1 - At least one Receive ATM Cell/PPP Processor block interrupt
is awaiting service.
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