XRT79L71_1 Datasheet, PDF (79/434 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
6
Receive PLCP Processor
Block Interrupt Status
6-2
1
Unused
Transmit DS3/E3 Framer
Block Interrupt Status
0
One Second Interrupt
Status
TYPE
R/O
R/O
R/O
RUR
DESCRIPTION
Receive PLCP Processor Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a Receive
PLCP Processor Block related interrupt is requesting interrupt
service.
0 - The Receive PLCP Processor block is NOT requesting any
interrupt service.
1 - The Receive PLCP Processor block is requesting interrupt
service.
NOTE: This bit-field is only active if the XRT79L71 has been
configured to operate in the ATM/PLCP Mode.
Transmit DS3/E3 Framer Block Interrupt Status:
This READ-ONLY bit-field indicates whether or not a Transmit
DS3/E3 Framer block -related interrupt is requesting interrupt
service.
0 - The Transmit DS3/E3 Framer block is NOT requesting any
interrupt service.
1 - The Transmit DS3/E3 Framer 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.
Test Register (Address = 0x110C)
BIT 7
BIT 6
BIT 5
TxOHSrc
Unused
R/W
R/O
R/O
0
0
0
BIT 4
RxPRBS
Lock
R/O
0
BIT 3
RxPRBS
Enable
R/W
0
BIT 2
TxPRBS
Enable
R/W
0
BIT 1
BIT 0
Unused
R/O
R/O
0
0
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