LAN91C111_11 Datasheet, PDF (13/133 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
MII External
Signals
EEPROM
CONTROL
100BASE-TX
TRANSMITTER
TXD[3:0]
4B5B
ENCODER
SCRAMBLER
MLT3
ENCODER
SWITCHED
CURRENT
SOURCE
LP
FILTER
+
-
TX_ER
TXEN100
TX25
CLOCK
GEN
(PLL)
10BASE-T
TRANSMITTER
MANCHESTER
ROM
DAC
LP
+
FILTER
-
CRS100
COL100
COLLISION
RXD[3:0]
RX_ER
RX_DV
RX25
MII
SERIAL
Manage
-ment
MDI
MCLK
MDO
MII
CLOCK
GEN
(PLL)
SQUELCH
4B5B
DECODER
DESCRAMBL
ER
CLOCK &
DATA
RECOVERY
AUTO
NEGOTIATION
& LINK
SQUELCH
CLOCK &
DATA
Recovery
(Manchester
Decoder)
Power
On
Reset
PHY
CONTROLS
AUTONEG
LOGIC
100BASE-TX
RECEIVER
MLT
ENCODER
+/- Vth
ADAPTIVE
EQUALIZER
10BASE-T
RECEIVER
+/- Vth
LP
FILTER
nPLED[0-5]
LED
Control
LS[2-0]A
Multiplexer
S
D
1
S
8
C
1
C
2
C
3
EN
B
Multiplexer
S1
D
S8
C1
C2
C3
EN
B
LS[2-0]B
Figure 3.3 LAN91C111 Physical Layer to Internal MAC Block Diagram
RBIAS
TPO+
TPO-
TPI+
TPI-
LEDA
LEDB
SMSC LAN91C111 REV C
13
DATASHEET
Revision 1.92 (06-27-11)