PEF2256EV22NP Lantiq, PEF2256EV22NP Datasheet - Page 378
PEF2256EV22NP
Manufacturer Part Number
PEF2256EV22NP
Description
Manufacturer
Lantiq
Datasheet
1.PEF2256EV22NP.pdf
(533 pages)
Specifications of PEF2256EV22NP
Number Of Transceivers
1
Screening Level
Industrial
Mounting
Surface Mount
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Supplier Unconfirmed
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SSC(1:0)
AUTO
FM(1:0)
Data Sheet
Select Sync Conditions
Loss of Frame Alignment (FRS0.LFA or opt. FRS0.LMFA) is declared
if:
00 = 2 out of 4 framing bits
01 = 2 out of 5 framing bits
10 = 2 out of 6 framing bits in F4/12/72 format
10 = 2 out of 6 framing bits per multiframe period in ESF format
11 = 4 consecutive multiframe pattern in ESF format
are incorrect. It depends on the selected multiframe format and
optionally on bit FMR2.SSP which framing bits are observed:
F4:
F12, F72: SSP = 0:
F12, F72: SSP = 1:
ESF: ESF framing bits
Enable Auto Resynchronization
0 =
1 =
Select Frame Mode
FM = 0: 12-frame multiframe format (F12, D3/4)
FM = 1: 4-frame multiframe format (F4)
FM = 2: 24-frame multiframe format (ESF)
FM = 3: 72-frame multiframe format (F72, remote switch mode)
FT-bits
FT-bits
FS-bits
FT
FS
The receiver does not re synchronize automatically. Starting a
new synchronization procedure is possible by the bits
FMR0.EXLS or FMR0.FRS.
Auto-resynchronization is enabled.
FRS0.LFA
FRS0.LMFA
FRS0.LFA
FRS0.LFA
FRS0.LFA and FRS0.LMFA
378
FRS0.LFA
Rev. 1.1, 2005-06-13
T1/J1 Registers
PEF 2256 H/E
FALC
®
56
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