LAN83C180_01 SMSC [SMSC Corporation], LAN83C180_01 Datasheet - Page 5

• Manufacturer Part Number: LAN83C180_01
• Description: 10/100 Fast Ethernet PHY Transceiver
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – LAN83C180
55,56,57,5
60,61,62,6
31,30,29,1
PIN #
6,12
19
18
25
26
33
34
13
41
40
46
45
52
51
59
64
50
49
43
22
48
21
23
8
1
3
3
4
6
7
RXD0,RXD1,RXD2,
TXD0,TXD1,TXD2,T
PA2,PA3,PA4
ACTST/MINT
TXREF100
TXREF10
PA0,PA1,
nRESET
RX_CLK
REFCLK
TX_CLK
RX_DV
RX_ER
SPDST
TX_EN
TX_ER
XTAL1
XTAL2
NAME
TXON
ANEN
RXEN
RPTR
TXOP
MDIO
RXD3
FDST
RXIN
ICFG
RXIP
MDC
CRS
COL
XD3
DESCRIPTION OF PIN FUNCTIONS
Diff. Output
Diff. Output
Diff. Input
Diff. Input
OUTPUT
OUTPUT
Output
Output
Output
Output
Output
Output
Output
Output
Output
MISCELLANEOUS/LED
TYPE
Input/
Input/
Input/
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
MISCELLANEOUS
MD INTERFACE
MII INTERFACE
Page 5
Differential receive pair from magnetics (-)
Differential receive pair from magnetics (+)
100 Differential transmit pair to magnetics (-)
100 Differential transmit pair to magnetics (+)
10BASE-T transmitter current setting pin
100BASE-TX transmitter current setting pin
Active low, power-on reset output and external reset
input.
25MHz crystal input. This signal should be pulled
high when using REFCLK.
25MHz crystal input. This signal should be left
unconnected when using REFCLK.
Management interface clock (up to 2.5MHz)
Management data
Receive clock (2.5MHz for 10, 25MHz for 100)
Receive data MII interface
Receive data valid. Active high
Receive error. Active high. (RXD4 in symbol mode)
Transmit clock (2.5MHz for 10, 25MHz for 100)
Transmit Data MII interface
Transmit Enable. Active high
Transmit Error. Active high. (TXD4 in symbol mode)
Carrier sense signal. Active high
Collision signal. Active high
Reference clock. This signal should be pulled high
when using crystal.
Auto Negotiation enable. Active high
Receive enable. Active high
Repeater enable. Active high
PHY address
Full duplex LED status indication when nRESET
high. Active low. Input when nRESET is low. High
input means the LAN83C180 advertises full duplex
capability
Speed (10/100) LED status indication when
nRESET high. High for 100Mb/s mode. Input when
nRESET is low. Low input will cause the
LAN83C180 to advertise 100Mb/s capability.
Interrupt configuration. MINT on pin 8 when High,
on pin 7 when Low.
Receive/Transmit activity LED status indication
(Active Low) if ICFG = 1. If ICFG = 0, output is
MINT and activity is indicated on the LNKST output.
DESCRIPTION
Rev. 08/24/2001