LAN9730 datasheet(16/222 Pages) MICROCHIP

16 / 222 page

LAN9730/LAN9730i

DS00001946A-page 16

 2012-2015 Microchip Technology Inc.

1Transmit Data

(Internal PHY

Mode)

TXD2

IS/O8

(PD)

In Internal PHY Mode, this pin can be configured

to display the respective internal MII signal. Refer

to the Internal MII Visibility Enable (IME) bit of the

Hardware Configuration Register (HW_CFG) on

page 125 for additional information.

Transmit Data

(External

PHY Mode)

TXD2

(PD)

In External PHY Mode, this pin functions as the

transmit data 2 output to the external PHY.

General Pur-

pose I/O 6

(Internal PHY

Mode Only)

GPIO6

IS/O8/

OD8

(PU)

This General Purpose I/O pin is fully programma-

ble as either a push-pull output, an open-drain

output, or a Schmitt-triggered input.

HSIC Port

Swap Config-

uration Strap

PORT_SWAP

(PD)

Swaps the mapping of HSIC_DATA and

HSIC_STROBE.

0 = The HSIC_DATA and HSIC_STROBE pin

functionality is not swapped.

1 = The HSIC_DATA and HSIC_STROBE pin

functionality is swapped.

See Note 2-1 for more information on configura-

tion straps.

1Transmit Data

(Internal PHY

Mode)

TXD1

IS/O8

(PD)

In Internal PHY Mode, this pin can be configured

to display the respective internal MII signal. Refer

to the Internal MII Visibility Enable (IME) bit of the

Hardware Configuration Register (HW_CFG) on

page 125 for additional information.

Transmit Data

(External

PHY Mode)

TXD1

(PD)

In External PHY Mode, this pin functions as the

transmit data 1 output to the external PHY.

General Pur-

pose I/O 5

(Internal PHY

Mode Only)

GPIO5

IS/O8/

OD8

(PU)

This General Purpose I/O pin is fully programma-

ble as either a push-pull output, an open-drain

output or a Schmitt-triggered input.

Remote

Wakeup Con-

figuration

Strap

RMT_WKP

(PD)

This strap configures the default descriptor values

to support remote wakeup. This strap is overrid-

den by the EEPROM.

0 = Remote wakeup is not supported.

1 = Remote wakeup is supported.

See Note 2-1 for more information on configura-

tion straps.

TABLE 2-1:

MII INTERFACE PINS (CONTINUED)

Num Pins

Name

Symbol

Buffer

Type

Description

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