USB224X

DS00001979A-page 18

 2010 - 2015 Microchip Technology Inc.

7.0

PIN CONFIGURATIONS

7.1

Card Reader

The Microchip USB224x is fully compliant with the following flash media card reader specifications:

• Secure Digital 2.0

- HS-SD and SDHC

- TransFlash™ and reduced form factor media

• MultiMediaCard 4.2

- 1/4/8 bit MMC

• Memory Stick 1.43

• Memory Stick Pro Format 1.02

• Memory Stick Pro-HG Duo Format 1.01

- Memory Stick, MS Duo, HS-MS, MS Pro-HG, MS Pro

• Memory Stick Duo 1.10

• xD-Picture Card 1.2

7.2

System Configurations

7.2.1

EEPROM

USB224x. If an external configuration device does not exist the internal default values will be used. If one of the external

devices is used for configuration, the OEM can update the values through the USB interface. The device will then

“attach” to the upstream USB host.

The USBDM tool set is available in the USB224x/USB225x Card Reader software release package. To download the

software package from Microchip's website, please visit:

http://www.microchip.com/SWLibraryWeb/product.aspx?product=OBJ Card Reader

to go to the OBJ 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 USB224x/USB225x Card reader combo release

package zip file containing the USBDM tool set. Please note that the following applies to the system values and descrip-

tions when used:

• N/A = Not applicable to this part

• Reserved = For internal use

7.2.2

EEPROM DATA DESCRIPTOR

TABLE 7-1:

INTERNAL FLASH MEDIA CONTROLLER CONFIGURATIONS

Address

Register Name

Description

Internal 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

"000000225001"

(See Note 7-1)

1Ah-1Bh

USB_VID

USB Vendor Identifier

0424

1Ch-1Dh

USB_PID

USB Product Identifier

2240

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 7-2)