DP83815 datasheet(10/110 Pages) TI1

Part #	DP83815

Description	10/100 Mb/s Integrated PCI Ethernet Media Access Controller and Physical Layer (MacPhyter)

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Manufacturer	TI1 [Texas Instruments]

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2.0 Pin Description (Continued)

Note: DP83815 supports NM27LV010 for the BIOS ROM interface device.

100BASE-TX/10BASE-T Interface

Symbol

LQFP Pin

No(s)

LBGA Pin

No(s)

Dir

Description

TPTDP, TPTDM

54, 53

G1, F1

A-O

Transmit Data: Differential common output driver. This differential

common output is configurable to either 10BASE-T or 100BASE-TX

signaling:

10BASE-T: Transmission of Manchester encoded 10BASE-T packet

data as well as Link Pulses (including Fast Link Pulses for Auto-

Negotiation purposes).

100BASE-TX: Transmission of ANSI X3T12 compliant MLT-3 data.

The DP83815 will automatically configure this common output driver

for the proper signal type as a result of either forced configuration or

Auto-Negotiation.

TPRDP,

TPRDM

46, 45

D1, C1

A-I

Receive Data: Differential common input buffer. This differential

common input can be configured to accept either 100BASE-TX or

10BASE-T signaling:

10BASE-T: Reception of Manchester encoded 10BASE-T packet

data as well as normal Link Pulses and Fast Link Pulses for Auto-

Negotiation purposes.

100BASE-TX: Reception of ANSI X3T12 compliant scrambled MLT-3

data.

The DP83815 will automatically configure this common input buffer

to accept the proper signal type as a result of either forced

configuration or Auto-Negotiation.

BIOS ROM/Flash Interface

Symbol

LQFP Pin

No(s)

LBGA Pin

No(s)

Dir

Description

MCSN

129

G13

O

BIOS ROM/Flash Chip Select: During a BIOS ROM/Flash

access, this signal is used to select the ROM device.

MD7, MD6, MD5,

MD4/EEDO, MD3,

MD2,

MD1/CFGDISN,

MD0

141, 140, 139,

138, 135, 134,

133, 132

D13, D12,

D14, E11,

E14, F11,

F13, F12

I/O

BIOS ROM/Flash Data Bus: During a BIOS ROM/Flash access

these signals are used to transfer data to or from the ROM/Flash

device.

MD[5:0] pins have internal weak pull ups.

MD6 and MD7 pins have internal weak pull downs.

MA5,

MA4/EECLK,

MA3/EEDI,

MA2/LED100LNK,

MA1/LED10LNK,

MA0/LEDACT

3, 2, 1, 144,

143, 142

B11, A12,

B12, C13,

C12, C14

O

BIOS ROM/Flash Address: During a BIOS ROM/Flash access,

these signals are used to drive the ROM/Flash address.

MWRN

131

F14

O

BIOS ROM/Flash Write: During a BIOS ROM/Flash access, this

signal is used to enable data to be written to the Flash device.

MRDN

130

G11

O

BIOS ROM/Flash Read: During a BIOS ROM/Flash access, this

signal is used to enable data to be read from the Flash device.

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