TNETX4090GGP datasheet(17/78 Pages) TI1

17 / 78 page

TNETX4090

ThunderSWITCH II™ 9-PORT 100-/1000-MBIT/S ETHERNET™ SWITCH

SPWS044E – DECEMBER 1997 – REVISED AUGUST 1999

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

Terminal Functions (Continued)

LED interface

TERMINAL

I/O

INTERNAL

DESCRIPTION

NAME

NO.

I/O

RESISTOR

DESCRIPTION

LED_CLK

AD19

None

LED clock. Serial shift clock for the LED status data.

LED_DATA

AE19

None

LED data. Serial LED status data.

100-/1000-Mbit/s port PCS LED interface

TERMINAL

I/O

INTERNAL

DESCRIPTION

NAME

NO.

I/O

RESISTOR

DESCRIPTION

L08_DPLX

AE18

None

Duplex LED. When in PMA mode, this terminal is low if the port is configured for full-duplex

operation. It is high at all other times.

power supply

TERMINAL

DESCRIPTION

NAME

NO.

DESCRIPTION

GND

A1, A2, A13, A14, A25, A26,

AF13, AF14, B1, B3, B24,

B26, C2, C25, N1, N26, P1,

P25, P26, R23, R24, R26,

T24, U23, W23, W24, W25,

W26, Y23, Y25, AA23, AA25,

AB25, AD2, AD25, AE1, AE3,

AE24, AE26, AF1, AF2,

AF25, AF26

Ground. The 0-V reference for the TNETX4090.

GNDa

U24

Ground. The 0-V reference for the analog functions within the rambus ASIC cell (RAC).

VDD(2.5)

B2, B25, C3, C24, D4, D9,

D14, D18, D23, J4, J23, N4,

P23, V4, V23, AC4, AC9,

AC13, AC18, AC23, AD3,

AD24, AE2, AE25

2.5-V supply voltage. Power for the core.

VDD(3.3)

D8, D13, D17, H23, K4, P4,

W4, AC10, AC14, AC19

3.3-V supply voltage. Power for the I/Os.

VDDa(2.5)

T23

2.5-V supply voltage. Power for the analog functions within the RAC.

TNETX4090GGP 데이터시트(PDF) 17 Page - Texas Instruments

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