User Guide

62
Q042 : 78Q2120C09A-64GCT
BLOCK DIAGRAM
MII Serial
Management
& Control
Transmit
Adaptive EQ,
Baseline Wander Corrector,
MLT3 Decoder,
NRZI/NRZ
4B/5B Encoder,
Scrambler,
Parallel/Serial
MII
Registers
&
Interface
Logic
Parallel/Serial,
Manchester Encoder
Manchester Decoder,
Serial/Parallel
Serial/Parallel,
Descrambler,
5B/4B Decoder
NRZ/NRZI,
MTL3 Encoder
Pulse Shaper
& Filter
TX Clock
Generator
Carrier Sense,
Collision Detect
Auto
Negotiation
Clock
Recovery
Clock
Reference
UTP
Drivers
UTP
Receiver
LEDs
Vcc Ground
RXIP
RXIN
TXOP
TXON
LINK
TX
RX
COL
100BT
10BT
FDX
100M
100M
10M
10M
Receive
CKIN