TC9208M-DS-R06 datasheet(14/53 Pages) ETC1

14 / 53 page

TC9208M

Preliminary Data Sheet

Pin Listing (continued)

No.

Pin label

Type

Description

TxData4_4

GMII transmit data - bit 4

P19

FcBcstEn

I/Opd

Enables/disables flow control for broadcast packets.

'1' – enabled

'0' – disabled

FcBcstEn is latched on reset.

P18 TxData4_3

I/Opd GMII/MII transmit data - bit 3

D17 Vss 2.0

Digital ground for core

R20 TxData4_2

I/Opd GMII/MII transmit data - bit 2

TxData4_1

GMII/MII transmit data - bit 1

R19

PriClass4_1

I/Opd

Priority class - most significant bit.

PriClass[4] is latched on reset.

TxData4_0

GMII/MII transmit data - least significant bit

R18

PriClass4_0

I/Opu

Priority class - least significant bit. Sets priority level per port basis.

PriClass[4] - '00' - port 4 low priority

PriClass[4] - '01' - port 4 has normal priority

PriClass[4] - '10' - port 4 has high priority

PriClass[4] - '11' - port 4 has very high priority

PriClass[4] is latched on reset

TxEn4

GMII/MII transmit enable

M18

RejRDA

I/Opd

If this pin is set to '1' then all frames with 802.1D Reserved Group

Address or 802.3x Full Duplex PAUSE operation DA will be filtered

out. This setting is provided for testing purposes only and it is

recommended to be set high in normal operation.

RejRDA is latched on reset.

T19

GTxClk4

GMII transmit clock

Vdd 3.3

Digital +3.3V power supply for I/O

N20 TxEr4

I/Opd Transmit Error

T20

TxClk4

MII transmit clock

V19 Crs4

MII carrier sense indication

V18 Col4

MII collision indication

U20 RxEr4

Receive Error

D11 Vss 3.3

Digital ground for I/O

T17

RxClk4

MII receive clock

T18

RxDv4

GMII/MII data valid

W19 RxData4_0

GMII receive data - least significant nibble.

MII receive data

Y19 RxData4_1

GMII receive data - least significant nibble.

MII receive data

Y20 RxData4_2

GMII receive data - least significant nibble.

MII receive data

W20 RxData4_3

GMII receive data - least significant nibble.

MII receive data

V20 RxData4_4

GMII receive data - most significant nibble

U17 RxData4_5

GMII receive data - most significant nibble

Confidential.

14/53

August 1, 2003

TC9208M-DS-R06

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