Chapter 4 signal descriptions, Chapter 4, Signal descriptions – SMSC LAN91C111 User Manual
Page 14: Datasheet
10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
Revision 1.91 (08-18-08)
14
SMSC LAN91C111 REV C
DATASHEET
Chapter 4 Signal Descriptions
Table 4.1 LAN91C111 Pin Requirements (128 Pin QFP and 1.0mm TQFP package)
FUNCTION
PIN SYMBOLS
NUMBER OF PINS
System Address Bus
A1-A15, AEN, nBE0-nBE3
20
System Data Bus
D0-D31
32
System Control Bus
RESET, nADS, LCLK, ARDY,
nRDYRTN, nSRDY, INTR0, nLDEV,
nRD, nWR, nDATACS, nCYCLE, W/nR,
nVLBUS
14
Serial EEPROM
EEDI, EEDO, EECS, EESK, ENEEP,
IOS0-IOS2
8
LEDs
nLEDA, nLEDB
2
PHY
TPO+, TPO-, TPI+, TPI-, nLNK, LBK,
nCNTRL, RBIAS
8
Crystal Oscillator
XTAL1, XTAL2
2
Power
VDD, AVDD
10
Ground
GND, AGND
12
Physical Interface (MII)
TXEN100, CRS100, COL100, RX_DV,
RX_ER, TXD0-TXD3, RXD0-RXD3,
MDI, MDO, MCLK, RX25, TX25
18
MISC
nCSOUT, X25OUT
2
TOTAL
128