DM9601E datasheet(6/58 Pages) ETC1

6 / 58 page

DM9601

USB to Ethernet MAC Controller with Integrated 10/100 PHY

Final

Version: DM9601-DS-F01

June 22, 2002

5. Pin Description

I= Input, O=Output, I/O= Input/Output, O/D= Open Drain, P= Power,

LI= reset Latch Input, #= asserted low

5.1 MII Interface

Pin No.

Pin Name

Type

Description

LINK_I

I/O

External MII Device Link Status

38,39,40,

RXD[3:0]

I/O

External MII Receive Data

CRS

I/O

External MII Carrier Sense

COL

I/O

External MII Collision Detect

RX_DV

I/O

External MII Receive Data Valid

RX_ER

I/O

External MII Receive Error

RX_CLK

I/O

External MII Receive Clock

TX_CLK

I/O

External MII Transmit Clock

50,51,52,

TXD[3:0]

I/O

External MII Transmit Data

TX_EN

I/O

External MII Transmit Enable

MDIO

I/O

MII Serial Management Data

MDC

I/O

MII Serial Management Data Clock

5.2 EEPROM Interface

EEPROM

Interface

EEDI

I/O

Data from EEPROM

EEDO

I/O

Data to EEPROM

EECK

I/O

Clock to EEPROM

EECS

Chip Select to EEPROM

This pin is used as a strap pin to define the LED modes

When it is pulled high, the LED mode is the mode 1,

Otherwise it is mode 0

5.3 USB Interface

I/O

USB Data Minus

I/O

USB Data Plus

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