LAN83C183 Datasheet, PDF (12/113 Pages) SMSC Corporation – FAST ETHERNET PHYSICAL LAYER DEVICE

OSCIN
RESETn
RX_EN/JAMn
RPTR
TX_CLK
TXD[3:0]
TX_EN
TX_ER/TXD4
COL
RX_CLK
RXD[3:0]
CRS
RX_DV
RX_ER/RXD4
MDC
MDIO
MDINTn/MDA4n
PLED[3:0]n
MDA[3:0]n
PLED[5:4]n
VDD[6:1]
GND[6:1]
Figure 1.1 LAN83C183 Device Block Diagram
Oscillator
Controller
Interface
(MII
or
FBI)
Collision
Serial
Port
(MI)
LED
Drivers
100BASE-FX Transmitter
+
-
4B5B
Encoder
Scrambler
100BASE-TX Transmitter
MLT3
Encoder
Switched
Current
Sources
Clock
Generator
PLL
LP
+
Filter
-
Manchester
Encoder
10BASE-T Receiver
ROM
DAC
LP
+
Filter
−
Clock
Generator
PLL
Squelch
4B5B
Decoder
Descrambler
Clock
& Data
Recovery
Auto-
Negotiation
& Link
100BASE-TX Receiver
+
−
Vth
+ ^{+/− Vth}
+
−
100BASE-TX Receiver
+/− Vth
MLT3
Encoder
+
+
−
Adaptive
Equalizer
Squelch
Clock & Data
Recovery
(Manchester
Decoder)
10BASE-TX Receiver
+/− Vth
+
+
−
LP
Filter
REXT
TPO+/FXI−
TPO−/FXI+
SD_THR
SD/FXDISn
TPI+/FXO−
TPI−/FXO+