LAN9730 datasheet(96/222 Pages) MICROCHIP

96 / 222 page

LAN9730/LAN9730i

DS00001946A-page 96

 2012-2015 Microchip Technology Inc.

13h

Configuration String Descriptor Word Offset (don’t care)

14h

Interface String Descriptor Length (0 bytes - NA)

15h

Interface String Descriptor Word Offset (don’t care)

16h

Hi-Speed Device Descriptor Length (18 bytes)

17h

Hi-Speed Device Descriptor Word Offset (26h);

corresponds to EEPROM Byte Offset 4Ch

18h

Hi-Speed Configuration and Interface Descriptor Length (18 bytes)

19h

Hi-Speed Configuration and Interface Descriptor Word Offset (2Fh);

corresponds to EEPROM Byte Offset 5Eh

1Ah

Full-Speed Device Descriptor Length (18 bytes)

1Bh

Full-Speed Device Descriptor Word Offset (38h);

corresponds to EEPROM Byte Offset 70h

1Ch

Full-Speed Configuration and Interface Descriptor Length (18 bytes)

1Dh

Full-Speed Configuration and Interface Descriptor Word Offset (41h);

corresponds to EEPROM Byte Offset 82h

1Eh

GPIO7:0 Wake Enables - GPIO7:0 not used for wakeup signaling

1Fh

GPIO10:8 Wake Enables - GPIO10 used for wakeup signaling

20h

GPIO PME Flags - PME Signaling Enabled via Low Level, Push-Pull

Driver, GPIO10 Active High Detection.

21h

PAD BYTE - Used to align following descriptor on Word boundary

22h

Size of Manufacturer ID String Descriptor (10 bytes)

23h

Descriptor Type (String Descriptor - 03h)

24h - 2Bh

53 00 4D 00 53 00 43 00

Manufacturer ID String (“SMSC” in UNICODE)

2Ch

Size of Product Name String Descriptor (16 bytes)

2Dh

Descriptor Type (String Descriptor - 03h)

2Eh - 3Bh

4C 00 41 00 4E 00 39 00

37 00 33 00 30 00

Product Name String (“LAN9730” in UNICODE)

3Ch

Size of Serial Number String Descriptor (16 bytes)

3Dh

Descriptor Type (String Descriptor - 03h)

3Eh - 4Bh

30 00 30 00 30 00 35 00

31 00 32 00 33 00

Serial Number String (“0005123” in UNICODE)

4Ch

Size of Hi-Speed Device Descriptor in bytes (18 bytes)

4Dh

Descriptor Type (Device Descriptor - 01h)

4Eh - 4Fh

00 02

USB Specification Number that the device complies with (0200h)

50h

Class Code

51h

Subclass Code

52h

Protocol Code

53h

Maximum Packet Size for Endpoint 0

54h - 55h

24 04

Vendor ID (0424h)

56h - 57h

30 97

Product ID (9730h)

58h - 59h

00 01

Device Release Number (0100h)

5Ah

Index of Manufacturer String Descriptor

5Bh

Index of Product String Descriptor

5Ch

Index of Serial Number String Descriptor

5Dh

Number of possible configurations

TABLE 4-62:

EEPROM EXAMPLE - 256 BYTE EEPROM (CONTINUED)

EEPROM

Address

EEPROM Contents

(Hex)

Description

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