TC9205M-DS-R03 datasheet(8/51 Pages) ETC1

8 / 51 page

TC9205M

Preliminary Data Sheet

Pin Listing (continued)

No.

Pin label

Type

Description

P17 Vdd 3.3

Digital +3.3V power supply for I/O

TxEr1

I/Opd Transmit Error

TxClk1

MII transmit clock

Crs1

MII carrier sense indication

Col1

MII collision indication

RxEr1

Receive Error

L17

Vss 3.3

Digital ground for I/O

RxClk1

MII receive clock

RxDv1

GMII/MII data valid

RxData1_0

GMII receive data - least significant nibble.

MII receive data

RxData1_1

GMII receive data - least significant nibble.

MII receive data

RxData1_2

GMII receive data - least significant nibble.

MII receive data

M17 Vdd 3.3

Digital +3.3V power supply for I/O

RxData1_3

GMII receive data - least significant nibble.

MII receive data

RxData1_4

GMII receive data - most significant nibble

RxData1_5

GMII receive data - most significant nibble

RxData1_6

GMII receive data - most significant nibble

RxData1_7

GMII receive data - most significant nibble

selsck

Selects the source for the system clock.

selsck - ‘1’ - sysck is driven by a 25MHz external clock.

gtxck

The 125Mhz reference clock for 1000Mbps operating mode. This

clock is used as a reference clock for the GMII transmission clock for

every port.

Vdd 2.0

Digital +2.0V power supply for core

BcstLED

I/Opd The led can signal filtering of broadcast frames Also the led remains

lit if the POST test fails, which indicates a faulty chip.

OvUnLED

The led is lit whenever a unicast packets overflow condition is

reached and some frames are dropped by the buffer management

engine.

Vss 2.0

Digital ground for core

sysck

The 25MHz system clock.

reset

Ipus

General reset.

TxData2_7

I/Opd GMII transmit data - most significant bit

TxData2_6

I/Opd GMII transmit data - bit 6

TxData2_5

I/Opd GMII transmit data - bit 5

TxData2_4

I/Opd GMII transmit data - bit 4

TxData2_3

GMII/MII transmit data - bit 3

PriBndw1

I/Opd

Priority bandwidth configuration pins.

PriBndw(1)is latched on reset

N17 Vdd 2.0

Digital +2.0V power supply for core

Confidential.

8/51

July 30, 2003

TC9205M-DS-R03

TC9205M-DS-R03 数据表(PDF) 8 Page - List of Unclassifed Manufacturers

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TC9205M-DS-R03 数据表(PDF) 8 Page - List of Unclassifed Manufacturers

TC9205M-DS-R03 数据表(HTML) 8 Page - List of Unclassifed Manufacturers

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