XRT79L71_1 Datasheet, PDF (110/434 Pages) Exar Corporation – 1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC -

XRT79L71
1-CHANNEL DS3/E3 ATM UNI/PPP/CLEAR-CHANNEL FRAMER IC - REGISTER/MAP DESCRIPTION
REV. 1.0.0
BIT NUMBER
NAME
1
End of Message
0
Flag Present
TYPE
R/O
R/O
DESCRIPTION
End of Message Indicator:
This READ-ONLY bit-field indicates whether or not the Receive
LAPD Controller block has received a complete LAPD Message,
as described below.
0 - Receive LAPD Controller block is currently receiving a LAPD
Message, but has not received the complete message.
1 - Receive LAPD Controller block has received a complete
LAPD Message.
NOTE:
Once the Receive LAPD Controller block sets this bit-
field "High", this bit-field will remain high, until the
Receive LAPD Controller block begins to receive a new
LAPD Message.
Receive Flag Sequence Indicator:
This READ-ONLY bit-field indicates whether or not the Receive
LAPD Controller block is currently receiving the Flag Sequence
(e.g., a continuous stream of 0x7E octets within the Data Link
channel)
.0 - Indicates that the Receive LAPD Controller block is NOT cur-
rently receiving the Flag Sequence octet.
1 - Indicates that the Receive LAPD Controller block is currently
receiving the Flag Sequence octet.
Receive E3 Service Bits Register - G.751 (Address = 0x111A)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
Unused
R/O
R/O
R/O
R/O
R/O
0
0
0
0
0
BIT 2
R/O
0
BIT 1
RxA
R/O
0
BIT 0
RxN
R/O
0
BIT NUMBER
NAME
TYPE
DESCRIPTION
7-2
Unused
R/O
1
RxA
R/O Received A Bit Value:
This READ-ONLY bit-field reflects the value of the "A" bit, within
the most recently received E3 frame.
0
RxN
R/O Received N Bit Value:
This READ-ONLY bit-field reflects the value of the "N" bit, within
the most recently received E3 frames.
RECEIVE E3, ITU-T G.832 RELATED REGISTERS
101