62
Q042 : 78Q2120C09A-64GCT
BLOCK DIAGRAM
MII Serial
M a n a g e m e n t
& C o n t r o l
T r a n s m i t
Adaptive EQ,
Baseline Wander Corrector,
M L T 3 D e c o d e r ,
N R Z I / N R Z
4 B / 5 B E n c o d e r ,
S c r a m b l e r ,
Parallel/Serial
MII
Registers
&
Interface
Logic
Parallel/Serial,
M a n c h e s t e r E n c o d e r
M a n c h e s t e r D e c o d e r ,
Serial/Parallel
Serial/Parallel,
D e s c r a m b l e r ,
5B/4B Decoder
N R Z / N R Z I ,
M T L 3 E n c o d e r
P u l s e S h a p e r
& Filter
T X C l o c k
Generator
Carrier Sense,
Collision Detect
Auto
N e g o t i a t i o n
C l o c k
R e c o v e r y
C l o c k
Reference
UTP
D r i v e r s
UTP
Receiver
L E D s
Vcc
Ground
R X I P
RXIN
T X O P
T X O N
L I N K
TX
R X
COL
1 0 0 B T
10BT
F D X
1 0 0 M
1 0 0 M
10M
10M
Receive
CKIN
