PIN CONFIGURATION
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
TX_ER
TXD3
TXD2
TXD1
TXD0
RX_ER
RXD3
RXD2
RXD1
RXD0
DVDD2
DGND2
RX_CLK
RX_DV
CRS
COL
TX_CLK
DGND1
TX_EN
FDST
LNKST
SPDST
ACTST/MINT
COLST/MINT
DVDD1
RXGND3
RXVDD3
PA4
nRESET
RXVDD2
RXGND2
PA3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LAN83C180
64 Pin TQFP
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
RXEN
DVDD3
MDC
MDIO
DGND3
RefCLK
OSCVDD
XTAL1
XTAL2
OSCGND
TXGND4
TXVDD4
TXVDD3
TXGND3
TxRef100
TxRef10
Fast Ethernet MAC
(LAN91C100FD, LAN91C110,
LAN83C171, or other MII compliant MAC)
RXGND1
RXIP
RXIN
RXVDD1
RPTR
ANEN
ICFG
TXVDD1
TXON
TXOP
TXGND1
TXGND2
PA2
PA1
PA0
SUBVDD
LAN83C180
Isolation
Magnetics
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
RJ45
FIGURE 1 – SYSTEM BLOCK DIAGRAM
SMSC DS – LAN83C180
Page 4
Rev. 08/24/2001
SMSC [ SMSC CORPORATION ]
