KSZ9031MNX Datasheet, PDF(39/73 Page) Micrel Semiconductor – The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physicallayer transceiver for transmission and reception of data on standard CAT-5 unshielded twisted pair (UTP) cable.

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KSZ9031MNX Datasheet, PDF (39/73 Pages) Micrel Semiconductor – The KSZ9031MNX is a completely integrated triple-speed (10Base-T/100Base-TX/1000Base-T) Ethernet physicallayer transceiver for transmission and reception of data on standard CAT-5 unshielded twisted pair (UTP) cable.

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KSZ9031MNX

TABLE 4-4: VENDOR-SPECIFIC REGISTER DESCRIPTIONS (CONTINUED)

Address

Name Description

1B.12

1B.11

1B.10

1B.9

Parallel

Detect Fault

Interrupt

Enable

1 = Enable parallel detect fault interrupt

0 = Disable parallel detect fault interrupt

Link Partner

Acknowl-

edge Inter-

rupt Enable

1 = Enable link partner acknowledge interrupt

0 = Disable link partner acknowledge interrupt

Link-Down

Interrupt

Enable

1 = Enable link-down interrupt

0 = Disable link-down interrupt

Remote Fault

Interrupt

Enable

1 = Enable remote fault interrupt

0 = Disable remote fault interrupt

Mode

(Note 4-1)

Default

RW

0

RW

0

RW

0

RW

0

1B.8

Link-Up

Interrupt

Enable

1 = Enable link-up interrupt

0 = Disable link-up interrupt

RW

0

1B.7

1B.6

1B.5

1B.4

1B.3

1B.2

1B.1

1B.0

Jabber Inter- 1 = Jabber occurred

rupt

0 = Jabber did not occur

Receive

Error Inter-

rupt

1 = Receive error occurred

0 = Receive error did not occur

Page

Receive

Interrupt

1 = Page receive occurred

0 = Page receive did not occur

Parallel

Detect Fault

Interrupt

1 = Parallel detect fault occurred

0 = Parallel detect fault did not occur

Link Partner

Acknowl-

edge Inter-

rupt

1 = Link partner acknowledge occurred

0 = Link partner acknowledge did not occur

Link-Down

Interrupt

1 = Link-down occurred

0 = Link-down did not occur

Remote Fault 1 = Remote fault occurred

Interrupt

0 = Remote fault did not occur

Link-Up

Interrupt

1 = Link-up occurred

0 = Link-up did not occur

RO/RC 0

RO/RC 0

RO/RC 0

RO/RC 0

RO/RC 0

RO/RC 0

RO/RC 0

RO/RC 0

Register 1Ch â Auto MDI/MDI-X

1C.15:8

Reserved Reserved

RW

1C.7

MDI Set

When Swap-Off (Bit [6] of this register) is asserted

(1),

1 = PHY is set to operate as MDI mode

0 = PHY is set to operate as MDI-X mode

RW

This bit has no function when Swap-Off is de-

asserted (0).

1C.6

Swap-Off

1 = Disable Auto MDI/MDI-X function

0 = Enable Auto MDI/MDI-X function

RW

1C.5:0

Reserved Reserved

RW

0000_0000

0

0

00_0000

ï£ 2016 Microchip Technology Inc.

DS00002096C-page 39

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