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DM9161

10/100 Mbps Fast Ethernet Physical Layer TX/FX Single Chip Transceiver

Davicom Semiconductor, Inc. 

DM9161

10/100 Mbps Fast Ethernet Physical Layer TX/FX Single Chip Transceiver

5.8 Pin Maps of Normal MII, Reduced MII, and 10Base-T GPSI (7-Wired) Mode

Normal MII Mode

TXD [0:1]

TXD [2:3]

TXEN

TXER/TXD [4]

TXCLK

RXD [0:1]

RXD[2:3]

RXEN

RXER/RXD[4]/RPTR/NODE

RXDV

RXCLK

COL

CRS

(PHYADR [2:4])

(BP4B5B)

MDC

MDIO

RESET#

XT1 (25 MHz)

XT2 (25 MHz)

Reduced MII Mode

TXD [0:1]

NC

TXEN

NC

NC

RXD [0:1]

NC

VCC

RPTR/NODE

CRS DV

NC

NC

NC

MDC

MDIO

RESET#

XT1 (Floating)

XT2 (REF_CLK 50MHz)

10Base-T GPSI (7-Wired) Mode

TXD [0] ; TXD [1] = NC

NC

TXEN

NC

TXCLK

RXD [0] ; RXD [1] = NC

NC

VCC

RPTR/NODE

NC

RXCLK

COL

CRS

MDC

MDIO

RESET#

XT1 (25 MHz)

XT2 (25 MHz)

Final

11

Version: DM9161-DS-F05

September 10, 2008

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