DJLXT6282LE.A3 Intel, DJLXT6282LE.A3 Datasheet - Page 22
DJLXT6282LE.A3
Manufacturer Part Number
DJLXT6282LE.A3
Description
Manufacturer
Intel
Datasheet
1.DJLXT6282LE.A3.pdf
(60 pages)
Specifications of DJLXT6282LE.A3
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LXT6282
22
Figure 5. Frame and Multiframe Acquisition
Desync CRC MF
CnfFaOp[1,0]=0X
3 consecutive
incorrect FAS
and
CnfFaOp[1,0]=1X
CRC Block error rate
4 consecutive
incorrect FAS
> 914 block/s
and
OOF Alm.
or
=> Desync CRC MF
=> LOMF
Frame Acquisition
CnfFaOp[1,0]=01
(if CRC MF is Enabled)
incorrect NFAS
3 consecutive
MULTIFRAME
MultiFrame
(LOMF Alm)
and
IN CRC
OUT OF
STate
ST
CnfFaOp[1,0]=11
incorrect NFAS
4 consecutive
Out Of
Frame
STate
(OOF)
Time out (>8ms)
and
OOF Alm
and Time Out decounter /= 0
or
=> /OOMF
MFAS Word found,
no OOF Alm.,
MFAS word found
Desync CRC MF
IN FRAME
incorrect
NFAS or
STate
Desync CRC MF
ACQUISITION
(LOMF Alm)
correct FAS
incorrect
CRC MF
FAS or
STate
=> Reset Frame Acquisition
(not StrgFA or CRC MF Enbl)
=> /OOF
=> Reset Timing Generator Counter
=> Start TIME OUT DECOUNTER FOR MF Search(8 ms)
Frame and CRC MultiFrame Recovery
CRC-4 MultiFrame Acquisition
correct FAS and
Counter
(OOF)
ST1
correct FAS
correct NFAS (bit 2)
incorrect
(OOF)
Note :
.For CRC MF Enabled/Disabled Configuration Condition
see register definition.
.FAS : means Frame Alignment Signal
.NFAS : means Not Frame Alignment Signal
.CnfFaOp[1,0] : Configure Frame Acquisition Operation
register (see global registers definition)
.Desync CRC MF : Desynchronized CRC MultiFrame
initiates a new frame search if CRC MF is enabled.
.OOF : means Out Of Frame Alarm
.LOMF : means Loss Of MultiFrame Alarm.
NFAS
ST2
(05/19/97)
CRC MF Disabled
Correct FAS and
and StrgFA
Incorrect
FAS
correct NFAS (bit 2)
(OOF)
ST7
(OOF)
ST6
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