CS8952 datasheet(33/82 Pages) CIRRUS

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CS8952

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Restart Auto-Neg

Read/Set

Setting this bit causes auto-negotiation to be

restarted. It is an Act-Once bit which is cleared once

auto-negotiation has begun. Clearing this bit has no

effect on the auto-negotiation process.

Duplex Mode

R/W

If auto-negotiation

is enabled via the

AN[1:0] pins, reset

to 0; otherwise,

reset to 1

When bit 12 is clear, this bit controls the Full-

Duplex/Half-Duplex operation of the part. When set,

the part is configured for Full-Duplex operation, and

when clear the part is configured for Half Duplex

operation. The setting of this bit is superseded by

auto-negotiation, and thus has no effect if bit 12 is

set.

Collision Test

R/W

When set, the COL pin will be asserted within 10 bit

times in response to the assertion of TX_EN. Upon

the deassertion of TX_EN, COL will be deasserted

within 4 bit times. When Collision Test is clear, COL

functions normally.

6:0

Reserved

Read Only

000 0000

BIT

NAME

TYPE

RESET

DESCRIPTION

CS8952 数据表(PDF) 33 Page - Cirrus Logic

CS8952 数据表(HTML) 33 Page - Cirrus Logic

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