DP83959 datasheet(21/38 Pages) NSC

Part #	DP83959

Description	8-Port Lite Ethernet Repeater Interface Controller

PDF	38 Pages

Scroll/Zoom	100%

Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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21 / 38 page

5.0

Functional Description (Continued)

www.national.com

Figure 8.

Typical AUI Port Connection

Figure 9.

Typical 10BASE-T Port Connection

DP83959

LERIC8

TX0+

TX0-

RX0+

RX0-

CD0+

CD0-

1:1

CI-A

CI-B

DI-B

DI-A

DO-A

DO-B

0.01µF

Chassis

DO-S

DI-S

CO-S

CO-A

CO-B

CI-S

+12V

Fuse

100pF

0.1µF

39.2

Ω ±1%

39.2

Ω ±1%

39.2

Ω ±1%

39.2

Ω ±1%

DP83959

LERIC8

1:1

0.01µF

49.9

Ω ±1%

49.9

Ω ±1%

1:2

* 13.5

Ω

* 13.5

Ω

TXn+

TXn-

RXn+

RXn-

RJ45

Connector

TD+

TD-

RD+

RD-

(Only 1 Port shown. All eight 10BASE-T ports are identical to this)

0.01µF

Optional

0.01µF

Optional

Common Mode

Choke (Optional)

Transformer

Module

* 820pF

* Starting point values - will need to be

adjusted depending on layout, transformer

module and other application variations.

DP83959 Datasheet(PDF) 21 Page - National Semiconductor (TI)

DP83959 Datasheet(HTML) 21 Page - National Semiconductor (TI)

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