LAN83C180_01 Datasheet, PDF (12/22 Pages) SMSC Corporation – 10/100 Fast Ethernet PHY Transceiver

TXD3-0
TXER
TXEN
TXCLK
CRS
COL
RXD3-0
RXER
RXDV
RXCLK
ACST
LNKST
COLST
FDST
SPDST
LEDS
FRAMING
&
CONTROL
100 MHz
CLOCK
GEN.
FRAMING
&
CONTROL
FRAMING
& 5B4B
DECODE
MANCHESTER
ENCODER
TX10
PULSE
SHAPER
TX10
DRIVER
LINK PULSE &
MANCHESTER
DECODE
RX10 CLOCK
& DATA
RECOVERY
RX10 FILTER
& SIGNAL
DETECT
ALIGNER
&
DESCRAMBLE
RX100 CLOCK
& DATA
RECOVERY
RX100
EQUALIZER
& BLW
RX100
SIGNAL
DETECT
FRAMING
& 4B5B
ENCODE
TX100
CLOCK
GEN.
TX100
SCRAMBLER
TX100 PISO
&
ENCODER
TX100
DRIVER
OSC
POWER
ON
RESET
CONTROLS
ANEG
LOGIC
TXREF10
TXOP
TXON
RXOP
RXON
TXREF100
FIGURE 2 – LAN83C180 BLOCK DIAGRAM
SMSC DS – LAN83C180
Page 12
Rev. 08/24/2001