KSZ9031RNX(2012) 查看數據表（PDF） - Micrel

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KSZ9031RNX
(Rev.:2012)

Gigabit Ethernet Transceiver with RGMII Support

Micrel 

Micrel, Inc.

Pin Description

Pin Number

1

2

Pin Name

AVDDH

TXRXP_A

3

TXRXM_A

4

AVDDL

5

TXRXP_B

6

TXRXM_B

7

TXRXP_C

8

TXRXM_C

9

AVDDL

KSZ9031RNX

Type(1)

P

I/O

I/O

P

I/O

I/O

I/O

I/O

P

Pin Function

3.3V/2.5V (commercial temp only) analog VDD

Media Dependent Interface[0], positive signal of differential pair

1000Base-T mode:

TXRXP_A corresponds to BI_DA+ for MDI configuration and BI_DB+ for

MDI-X configuration, respectively.

10Base-T/100Base-TX mode:

TXRXP_A is the positive transmit signal (TX+) for MDI configuration and

the positive receive signal (RX+) for MDI-X configuration, respectively.

Media Dependent Interface[0], negative signal of differential pair

1000Base-T mode:

TXRXM_A corresponds to BI_DA– for MDI configuration and BI_DB– for

MDI-X configuration, respectively.

10Base-T/100Base-TX mode:

TXRXM_A is the negative transmit signal (TX–) for MDI configuration and

the negative receive signal (RX–) for MDI-X configuration, respectively.

1.2V analog VDD

Media Dependent Interface[1], positive signal of differential pair

1000Base-T mode:

TXRXP_B corresponds to BI_DB+ for MDI configuration and BI_DA+ for

MDI-X configuration, respectively.

10Base-T/100Base-TX mode:

TXRXP_B is the positive receive signal (RX+) for MDI configuration and

the positive transmit signal (TX+) for MDI-X configuration, respectively.

Media Dependent Interface[1], negative signal of differential pair

1000Base-T mode:

TXRXM_B corresponds to BI_DB– for MDI configuration and BI_DA– for

MDI-X configuration, respectively.

10Base-T/100Base-TX mode:

TXRXM_B is the negative receive signal (RX–) for MDI configuration and

the negative transmit signal (TX–) for MDI-X configuration, respectively.

Media Dependent Interface[2], positive signal of differential pair

1000Base-T mode:

TXRXP_C corresponds to BI_DC+ for MDI configuration and BI_DD+ for

MDI-X configuration, respectively.

10Base-T/100Base-TX mode:

TXRXP_C is not used.

Media Dependent Interface[2], negative signal of differential pair

1000Base-T mode:

TXRXM_C corresponds to BI_DC– for MDI configuration and BI_DD– for

MDI-X configuration, respectively.

10Base-T/100Base-TX mode:

TXRXM_C is not used.

1.2V analog VDD

October 2012

10

M9999-103112-1.0

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