PEB 2091
PEF 2091
Functional Description
Transmitter Scrambler in NT, NT-PBX and TE Mode without Loop-Back 3
Ds•
x-18
Ds
Di
x-1
x-1
x-1
x-1
x-1
Ds
Ds
Ds
Ds
•
•
•
•
x-23
x-23
x-23
x-23
Ds = Di Ds• •
x-18 Ds x-23
+
+
Transmitter Scrambler for all LT Modes and for Loop-Back 3 in all NT Modes
Ds•
x-5
Ds
Di
x-1
x-1
x-1
x-1
x-1
x-1
x-1
Ds = Di Ds• •
x-5 Ds x-23
+
+
Receiver Descrambler for all LT Modes and for Loop-Back 3 in all NT Modes
Ds•
x-18
Ds
Do
x-1
x-1
x-1
x-1
Do = Ds (1 x-18
x-23)
+
+
Receiver Descrambler in NT, NT-PBX and TE Mode without Loop-Back 3
Ds•x-5
Ds
Do
x-1
x-1
x-1
x-1
Do = Ds (1 x-5
+
x-23)
+
Figure 19
Scrambler / Descrambler Algorithms
Semiconductor Group
63
Data Sheet 01.99
INFINEON [ Infineon ]
