LAN9500AI datasheet(30/66 Pages) SMSC

30 / 66 page

USB 2.0 to 10/100 Ethernet Controller

Datasheet

Revision 1.1 (04-18-13)

SMSC LAN950x Family

DATASHEET

5.2

EEPROM Defaults

The signature value of 0xA5 is stored at address 0. A different signature value indicates to the

EEPROM controller that no EEPROM or an un-programmed EEPROM is attached to the device. In

this case, the hardware default values are used, as shown in Table 5.4.

Note: The Configuration Flags are affected by the PWR_SEL and RMT_WKP straps.

GPIO10 Detection Select

This bit selects the detection mode for GPIO10 when operating in PME mode. In PME mode, GPIO10

is usable in both Internal and External PHY mode as a wakeup pin. This parameter defines whether

the wakeup should occur on an active high or active low signal.

0 = Active-low detection for GPIO10.

1 = Active-high detection for GPIO10.

Note:

If GPIO PME Enable is 0, this bit is ignored.

RESERVED

Table 5.4 EEPROM Defaults

FIELD

DEFAULT VALUE

MAC Address

FFFFFFFFFFFFh

Full-Speed Polling Interval (mS)

01h

Hi-Speed Polling Interval (mS)

04h

Configuration Flags

04h

Maximum Power (mA)

FAh

Vendor ID

0424h

Product ID

Table 5.3 GPIO PME Flags (continued)

BITS

DESCRIPTION

DEVICE

PRODUCT ID

LAN9500/LAN9500i

9500h

LAN9500A/LAN9500Ai

9E00h

LAN9500AI 数据表(PDF) 30 Page - SMSC Corporation

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