LAN9500AI datasheet(15/66 Pages) SMSC

15 / 66 page

USB 2.0 to 10/100 Ethernet Controller

Datasheet

SMSC LAN950x Family

Revision 1.1 (04-18-13)

DATASHEET

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

Purpose I/O 6

(Internal PHY

Mode Only)

GPIO6

IS/O8/

OD8

(PU)

This General Purpose I/O pin is fully

programmable as either a push-pull output, an

open-drain output, or a Schmitt-triggered input.

USB Port

Swap

Configuration

Strap

PORT_SWAP

(PD)

Swaps the mapping of USBDP and USBDM.

0 = USBDP maps to the USB D+ line and

USBDM maps to the USB D- line.

1 = USBDP maps to the USB D- line. USBDM

maps to the USB D+ line.

See Note 3.1 for more information on

configuration straps.

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

Purpose I/O 5

(Internal PHY

Mode Only)

GPIO5

IS/O8/

OD8

(PU)

This General Purpose I/O pin is fully

programmable as either a push-pull output, an

open-drain output, or a Schmitt-triggered input.

Remote

Wakeup

Configuration

Strap

RMT_WKP

(PD)

This strap configures the default descriptor

values to support remote wakeup.

0 = Remote wakeup is not supported.

1 = Remote wakeup is supported.

See Note 3.1 for more information on

configuration straps.

Table 3.1 MII Interface Pins (continued)

NUM PINS

NAME

SYMBOL

BUFFER

TYPE

DESCRIPTION

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