LAN91C100 Datasheet, PDF (11/101 Pages) SMSC Corporation – FEAST™ Fast Ethernet Controller

FUNCTION
Table 1 - LAN91C100 Pin Requirements
PIN SYMBOLS
System Address Bus
A1-A15, AEN, nBE0-nBE3
System Data Bus
D0-D31
System Control Bus
RESET, nADS, LCLK, ARDY, nRDYRTN,
nSRDY, INT0-INT3, nLDEV, nRD, nWR,
nDATACS, nCYCLE, W/nR, nVLBUS
Serial EEPROM
EEDI, EEDO, EECS, EESK, ENEEP,
IOS0-IOS2
RAM Data Bus
RD0-RD31
RAM Address Bus
RA2-RA16
RAM Control Bus
nROE, nRWE0-nRWE3, RCVDMA
Crystal Oscillator
XTAL1, XTAL2
Power
VDD, AVDD
Ground
GND, AGND
External ENDEC 10 Mbps
TXEN, TXD, CRS, COL, RXD, TXC, RXC,
LBK, nLNK, nFSTEP, AUISEL, MIISEL
Physical Interface 100 Mbps TXEN100, CRS100, COL100, RX_DV,
RX_ER, TXD0-TXD3, RXD0-RXD3, MDI,
MDO, MCLK
Clocks
TX25, RX25
Miscellaneous
RBIAS, nCSOUT
TOTAL
NUMBER OF PINS
20
32
17
8
32
15
6
2
19
21
12
16
2
2
204
11