9883 datasheet(43/56 Pages) INTEL

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Advanced 10/100 Unmanaged Repeater — LXT9883/9863

Datasheet

Document #: 249115

Revision #: 003

Rev. Date: 08/07/01

Figure 16. Typical 100 Mbps IRB Implementation

Figure 17. Typical 10 Mbps IRB Implementation

LXT98x3

FPS = 1

LXT98x3

FPS = 1

215

Ω

300

Ω

IR100DV\

IR100DAT <4:0>

IR100CFS\

IR100COL\

IR100SNGL

’245

IR100DATBP

IR100DVBP\

DIR

ENA

IR100CLKBP

LXT98x3

FPS = 0

IR100CFSBP\

IR100DEN\

ISOLATE

Ω

1%*

+3.3V

330

Ω

IR100CLK

IR100DEN\

IR100DV\

IR100DAT

Stack or

Segment

Connector

+3.3V

Ω

ΚΩ

COMP_SEL

+3.3V

1. In stacked configurations, all devices with FPS/ = 0 are tied together at IR100CFSBP. The entire stack must

be pulled up by only one resistor per signal. Pull-up resistor is installed on one board only. (Board selection

is application specific.)

2. All devices with FPS

≠ 0 require individual pull-up resistors at IR100CFSBP.

3. Pull-up voltage should be the same as COMP_SEL.

LXT9883

FPS 1

LXT9883

FPS 1

+3.3V

215

Ω

330

Ω

IR10ENA\

IR10DAT

IR10CFS\

IR10COL\

HOLDCOL

IR10CLK

’245

IR10DATBP

IR10ENABP\

DIR

ENA

IR10CLKBP

LXT9883

FPS 0

IR10COLBP\

IR10CFSBP\

IR10DEN\

330

Ω

330

Ω

+3.3V

330

Ω

IR10DEN\

IR10CLK

IR10ENA\

IR10DAT

+3.3V

330

Ω

330

Ω

330

Ω

330

Ω

Stack or

Segment

Connector

COMP_SEL

1. In stacked configurations, all devices with FPS/ = 0 are tied together at IR100CFSBP. The entire stack must be

pulled up by only one resistor per signal. Pull-up resistor is installed on one board only. (Board selection is

application specific.)

2. All devices with FPS

≠ 0 require individual pull-up resistors at IR100CFSBP.

3. Pull-up voltage should be the same as COMP_SEL.

9883 Datasheet(PDF) 43 Page - Intel Corporation

9883 Datasheet(HTML) 43 Page - Intel Corporation

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