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200 Software Developer’s Manual
PHY Functionality and Features
Figure 11-3. 1000 Base-T PHY Functions Overview
Side-stream
Scrambler /
Descrambler
Trellis Viterbi
Encoder/ Decoder
8
8
4
4
MAC Interface
AGC, A/D,
Timing Recovery
4DPAM5
Encoder
ECHO, NEXT,
FEXT Cancellers
Line
Interface
Pulse Shaper,
DAC, Filter
Hybrid Line Driver
DSP