Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo

Table 7.3 Other Internal Configurations

REG ADDR

REGISTER NAME

REGISTER DESCRIPTION

DEFAULT VALUE

 

 

 

 

F4h

MS_SD_CLK_LIM

MS/SD Clock Limit for

00h

 

 

Flash Media Controller

 

 

 

 

 

F5h

N/A

Reserved

66h

 

 

 

 

F6h

N/A

Reserved

00h

 

 

 

 

F7-FBh

N/A

Reserved

00h

 

 

 

 

FCh-FFh

NVSTORE_SIG

Non-volatile storage signature

“ATA2”

 

 

(“ATA2”)

 

 

 

 

 

7.3.2.10h-19h: USB Serial Number Option

BYTE

 

 

NUMBER

BYTE NAME

DESCRIPTION

 

 

 

25:0

USB_SER_NUM

Default Value is: UNICODE "0000002640001".

 

 

Maximum string length is 12 hex digits. Must be unique to each device.

 

 

 

7.3.2.21Ah-1Bh: USB Vendor ID Option

BYTE

 

 

NUMBER

BYTE NAME

DESCRIPTION

 

 

 

1:0

USB_VID

This ID is unique for every vendor. The vendor ID is assigned by the USB

 

 

Implementers Forum.

 

 

 

7.3.2.31Ch-1Dh: USB Product ID Option

BYTE

 

 

NUMBER

BYTE NAME

DESCRIPTION

 

 

 

1:0

USB_PID

This ID is unique for every product. The product ID is assigned by the vendor.

 

 

 

7.3.2.41Eh-21h: USB Language Identifier Option

BYTE

 

 

NUMBER

BYTE NAME

DESCRIPTION

 

 

 

3:0

USB_LANG_ID

USB LANGUAGE ID

 

 

English Language Code = ‘0409’. Please refer to the USB 2.0 specification

 

 

for Other Language Codes.

 

 

 

Revision 2.0 (10-03-08)

30

SMSC USB2640/USB2641

 

DATASHEET