DP83849CVSSLASHNOPB datasheet(63/101 Pages) TI1

No de pièce	DP83849CVS/NOPB

Description	PHYTER DUAL Commercial Temperature Dual Port 10/100 Mb/s Ethernet Physical Layer Transceiver

PDF	101 Pages

Scroll/Zoom	100%

Fabricant	TI1 [Texas Instruments]

Site Internet	http://www.ti.com

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SD_OPTION

1, RW

Signal Detect Option:

1 = Default operation. Link will be asserted following detection of

valid signal level and Descrambler Lock. Link will be maintained as

long as signal level is valid. A loss of Descrambler Lock will not

cause Link Status to drop.

0 = Modified signal detect algorithm. Link will be asserted following

detection of valid signal level and Descrambler Lock. Link will be

maintained as long as signal level is valid and Descrambler re-

mains locked.

DESC_TIME

0, RW

Descrambler Timeout:

Increase the descrambler timeout. When set this should allow the

device to receive larger packets (>9k bytes) without loss of syn-

chronization.

1 = 2ms

0 = 722us (per ANSI X3.263: 1995 (TP-PMD) 7.2.3.3e)

RESERVED

0, RO

RESERVED:

Must be zero.

FORCE_100_OK

0, RW

Force 100Mb/s Good Link:

1 = Forces 100Mb/s Good Link.

0 = Normal 100Mb/s operation.

4:3

RESERVED

0,RO

RESERVED:

Must be zero

NRZI_BYPASS

0, RW

NRZI Bypass Enable:

1 = NRZI Bypass Enabled.

0 = NRZI Bypass Disabled.

1:0

RESERVED

0,RO

RESERVED:

Must be zero.

Table 35. 100 Mb/s PCS Configuration and Status Register (PCSR), address 16h (Continued)

Bit

Bit Name

Default

Description

DP83849CVS/NOPB Fiches technique(PDF) 63 Page - Texas Instruments

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