DM9102AT datasheet(13/77 Pages) ETC

13 / 77 page

DM9102A

Single Chip Fast Ethernet NIC controller

Final

Version: DM9102A-DS-F03

August 28, 2000

It connects to a 6200 , 1% error tolerance resistor between

this pin and BGRESG pin to provide an accurate current

reference for DM9102A..

101

BGRESG

For Bandgap circuit

It is used together with the BGRESG pin.

116

ISOLATE#

Isolate

This isolate signal is used to isolate the DM9102A from the

system, and it is suitable for LAN on motherboard. When

isolate signal is active low, it disables the DM9102A function

and the DM9102A will not drive any outputs and sample inputs.

In this case, the power consumption is minimum.

Power Pins

Pin No.

128QFP/128TQFP

Pin Name

I/O

Description

100,107,

108

AGND

Analog ground

103,104,

111,112

AVDD

Analog power, +3.3V

8,9,15,22,28,29,35,37,45,

46,58,76,86,99,125

DGND

Digital ground

4,5,12,18,19,25,32,42,52,

53,61,70,82,96,120

DVDD

Digital power, +3.3V

NOTE :

LED Mode

Pin No.

128QFP/128TQFP

MODE 0

MODE 1

LINK&ACT#

Link and traffic LED

ACT#

Traffic LED

FDX#

Full-duplex LED

FDX#

Full-duplex LED

SPEED100#

100Mbps LED

SPEED100#

100Mbps LED

SPEED10#

10Mbps LED

LINK#

Link LED

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