LAN9500AI datasheet(28/66 Pages) SMSC

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USB 2.0 to 10/100 Ethernet Controller

Datasheet

Revision 1.1 (04-18-13)

SMSC LAN950x Family

DATASHEET

Table 5.2 describes the Configuration Flags.

Table 5.2 Configuration Flags

BITS

DESCRIPTION

7:6

RESERVED

5:4

(LAN9500A/LAN9500Ai Only, Otherwise RESERVED)

PHY Boost

This field provides the ability to boost the electrical drive strength of the HS output current to the

upstream port.

00 = Normal electrical drive strength.

01 = Elevated electrical drive strength (+4% boost).

10 = Elevated electrical drive strength (+8% boost).

11 = Elevated electrical drive strength (+12% boost).

RESERVED

Remote Wakeup Support

0 = The device does not support remote wakeup.

1 = The device supports remote wakeup.

(LAN9500A/LAN9500Ai Only, Otherwise RESERVED)

LED Select

This bit determines the functionality of external LED pins.

Power Method

0 = The device is bus powered.

1 = The device is self powered.

BIT

VALUE

PIN NAME

FUNCTION

nSPD_LED

Speed Indicator

nLNKA_LED

Link and Activity Indicator

nFDX_LED

Full Duplex Link Indicator

nSPD_LED

Speed Indicator

nLNKA_LED

Link Indicator

nFDX_LED

Activity Indicator

LAN9500AI Datasheet(PDF) 28 Page - SMSC Corporation

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