
á
1 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
PRELIMINARY
XRT79L71
REV. P1.0.3
81
OPERATION INTERRUPT STATUS REGISTER - BYTE 0 (ADDRESS = 0X0113)
B
IT
7
B
IT
6
B
IT
5
B
IT
4
B
IT
3
B
IT
2
B
IT
1
B
IT
0
Receive
UTOPIA/
POS-PHY
Interface
Block
Interrupt
Status
Unused
Receive
ATM Cell/PPP
Processor
Block
Interrupt
Status
Transmit
UTOPIA/
POS-PHY
Interface
Block
Interrupt
Status
Unused
Transmit
ATM Cell/PPP
Processor
Block
Interrupt
Status
R/O
R/O
R/O
R/O
R/O
R/O
R/O
R/O
0
0
0
0
0
0
0
0
B
IT
N
UMBER
N
AME
T
YPE
D
ESCRIPTION
7
Receive UTOPIA
POS-PHY Interface Block
Interrupt Status
R/O
Receive UTOPIA/POS-PHY Interface Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a "Receive
UTOPIA/POS-PHY Interface" block interrupt is awaiting service.
0 - No "Receive UTOPIA/POS-PHY Interface" block interrupt is
awaiting service.
1 - At least one "Receive UTOPIA/POS-PHY Interface" block
interrupt is awaiting service.
6 -5
Unused
R/O
4
Receive ATM Cell/PPP
Processor Block
Interrupt Status
R/O
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
awaiting service.
1 - At least one "Receive ATM Cell/PPP Processor" block inter-
rupt is awaiting service.
3
Transmit UTOPIA
POS-PHY Interface Block
Interrupt Status
Transmit UTOPIA/POS-PHY Interface Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a "Transmit
UTOPIA/POS-PHY Interface" block interrupt is awaiting service.
0 - No "Transmit UTOPIA/POS-PHY Interface" block interrupt is
awaiting service.
1 - At least one "Transmit UTOPIA/POS-PHY Interface" block
interrupt is awaiting service.
2 - 1
Unused
R/O
0
Transmit ATM Cell/PPP
Processor Block
Interrupt Status
R/O
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
awaiting service.
1 - At least one "Receive ATM Cell/PPP Processor" block inter-
rupt is awaiting service.