DM9102AT datasheet(9/77 Pages) ETC

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DM9102A

Single Chip Fast Ethernet NIC controller

Final

Version: DM9102A-DS-F03

August 28, 2000

the WOL as pulse or DC signal.

0 = WOL pulse mode (default)

1 = WOL DC mode

BPAD2 is also a reset latch pin. It is Boot ROM address and

data bus when normal operation. When at power on reset, it is

used to pull up or down externally through a resister to select

the PME as pulse or DC signal.

0 = PME pulse mode (default)

1 = PME DC mode

BPAD7 is also a reset latch pin. It is Boot ROM address and

data bus when normal operation. When at power on reset, it is

used to pull up or down externally through a resister to select

LED mode.

0 = LED mode 0 (default)

1 = LED mode 1

BPCS#

Boot ROM Chip Select

Boot ROM or external register chip select signal.

BPA0/WMODE

O, LI

Boot ROM address line/WOL mode selection

This multiplexed pin acts as boot ROM address bit 0 output

signal during normal operation. When at power on reset, it

used to select the type of WOL signal.

0 = WOL high active (default)

1 = WOL low active

BPA1/PCIMODE#

I/O, LI Boot ROM address line / PCI mode selection

This multiplexed pin acts as the boot ROM address bit 1 output

signal during normal operation. When RST# is active (low), it

acts as the input system type. If the DM9102A is used in a

CardBus system, this pin should be connected to a pull-up

resistor; otherwise, the DM9102A consider the host as a PCI

system.

0 = PCI mode (default)

1 = CardBus mode

EEDI

EEPROM Data In

The DM9102A will read the contents of EEPROM serially

through this pin.

EEDO

EEPROM Data Out

The DM9102A will use this pin to serially write opcodes,

addresses and data into the EEPROM.

EECK

EEPROM Serial Clock

This pin provides the clock for the EEPROM data transfer.

EECS

EEPROM Chip Select

This pin will enable the EEPROM during loading of the

Configuration Data.

SELROM

Multiplex or Director mode selection

0 = Multiplex mode (default)

1 = Direct mode

83,84,85,91,92,93,94

In Multiplex mode, these pins are not connected.

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