XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. 1.0.1
TABLE 116: FRAMER
INTERRUPT
STATUS
REGISTER E1 MODE
R
EGISTER 532 E1 MODE
F
RAMER
I
NTERRUPT TATUS
S
R
EGISTER (FISR)
HEX ADDRESS: 0X0B04
B
IT
FUNCTION
TYPE
D
EFAULT
DESCRIPTION-OPERATION
3
IF Status
RUR
RUR
RUR
0
0
0
Change of In Frame Condition Interrupt Status
2
1
FMD Status
Sync Error Status
CRC-4 Error Interrupt Status.
The Receive E1Framer will declare this interrupt if it detects an error
in the CRC-4 bits within a given sub-multiframe.
0 = Sync Error has not occurred since the last read of this register
1 = Sync Error has occurred since the last read of this register
0
Framing Error Status
RUR
0
0 = Framing Bit Error interrupt has not occurred since the last read
of this register
1 = Framing Bit Error interrupt has occurred since the last read of
this register
1
TABLE 117: FRAMER
INTERRUPT
STATUS
REGISTER T1 MODE
R
EGISTER 532 T1 MODE
IT UNCTION
F
RAMER
I
NTERRUPT TATUS
S
R
EGISTER (FISR)
HEX ADDRESS: 0X0B04
B
F
T
YPE
D
EFAULT
DESCRIPTION-OPERATION
5
SIG
COFA
IF
RUR/
WC
0
Signaling updated
This bit indicates the occurrence of state change of any signaling
channel.
0 = No state change occurs of any signaling.
1 = Change of signaling state occurs.
4
3
2
RUR/
WC
0
0
0
Change of Frame Alignment
This bit is used to indicate that the receive synchronization signal
has changed alignment with respect to its last multiframe position.
0 = No COFA occurs.
1 = COFA occurs.
RUR/
WC
In-frame state
This bit indicates the occurrence of state change of in-frame indica-
tion.
0 = No state change occurs of in-frame indication.
1 = In-frame indication has changed state.
FMD
RUR/
WC
Frame Mimic state change
This bit indicates the occurrence of state change of framing mimic
detection.
0 = No state change occurs of framing mimic detection.
1 = Framing mimic detection has changed state.
101
EXAR [ EXAR CORPORATION ]
