USB2640 datasheet(24/60 Pages) MICROCHIP

24 / 60 page

USB2640/USB2641

DS00001947C-page 24

 2015-2021 Microchip Technology Inc.

to go to the OBJ Hub Card Reader Software Download Agreement. Review the license, and if you agree, check the “I

agree” box and then select “Confirm”. You will then be able to download the USB264x Hub Card reader combo release

package zip file containing the USBDM tool set.

Please note that the following applies to the system values and descriptions when used:

• N/A = Not applicable to this part

• Reserved = For internal use

7.3.2

EEPROM DATA DESCRIPTOR

TABLE 7-1:

INTERNAL FLASH MEDIA CONTROLLER CONFIGURATIONS

Address

Description

Default Value

00h

USB_SER_LEN

USB Serial String

Descriptor Length

1Ah

01h

USB_SER_TYP

USB Serial String

Descriptor Type

03h

02h-19h

USB_SER_NUM

USB Serial Number

"000000264001" (See Note 7-1)

1Ah-1Bh

USB_VID

USB Vendor Identifier

0424

1Ch-1Dh

USB_PID

USB Product Identifier

4050

1Eh

USB_LANG_LEN

USB Language String

Descriptor Length

04h

1Fh

USB_LANG_TYP

USB Language String

Descriptor Type

03h

20h

USB_LANG_ID_LSB

USB Language Identifier

Least Significant Byte

09h

(See Note 7-3)

21h

USB_LANG_ID_MSB

USB Language Identifier

Most Significant Byte

04h

(See Note 7-3)

22h

USB_MFR_STR_LEN

USB Manufacturer String Descriptor

Length

10h

23h

USB_MFR_STR_TYP

USB Manufacturer String Descriptor

Type

03h

24h-31h

USB_MFR_STR

USB Manufacturer String

“Generic” (See Note 7-1)

32h-5Dh

Reserved

00h

5Eh

USB_PRD_STR_LEN

USB Product String

Descriptor Length

30h

5Fh

USB_PRD_STR_TYP

USB Product String

Descriptor Type

03h

60h-99h

USB_PRD_STR

USB Product String

"Ultra Fast Media Reader"

(See Note 7-1)

9Ah

USB_BM_ATT

USB BmAttribute

80h

9Bh

USB_MAX_PWR

USB Max Power

30h (96 mA)

9Ch

ATT_LB

Attribute Lo byte

40h (Reverse SD_WP only)

9Dh

ATT_HLB

Attribute Hi Lo byte

00h

9Eh

ATT_LHB

Attribute Lo Hi byte

00h

9Fh

ATT_HB

Attribute Hi byte

00h

A0h

MS_PWR_LB

Memory Stick Device

Power Lo byte

08h

A1h

MS_PWR_HB

Memory Stick Device

Power Hi byte

00h

A2h

Not Applicable

80h

A3h

Not Applicable

00h

A4h

SM_PWR_LB

Smart Media Device

Power Lo byte

00h

(See Note 7-2)

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