USB82640 datasheet(27/64 Pages) MICROCHIP

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 2010-2015 Microchip Technology Inc.

DS60001312A-page 27

USB82640

7.3.2.9

9Ch-9Fh: Attribute Byte Descriptions

7.3.2.10

A0h-A3h: Reserved

Byte

Name

Bit

Number

Description

ATT_LB

3:0

Always read as 0

Inquire Manufacturer and Product ID Strings

: use the Inquiry Manufacturer and Product ID Strings.

: (default) - use the USB Descriptor Manufacturer and Product ID Strings.

Always read as 0

Reverse SD Card Write Protect Sense

: (default) - SD cards will be write protected when SW_nWP is high, and

writable when SW_nWP is low.

: SD cards will be write protected when SW_nWP is low, and writable

when SW_nWP is high.

Always read as 0

ATT_HLB

3:0

Always read as 0

Activity LED True Polarity

: Activity LED to Low True

: (default) Activity LED polarity to High True

Common Media Insert/Media Activity LED

: The activity LED will function as a common media inserted/media access

LED.

: The activity LED will remain in its idle state until media is accessed

(default).

Always read as 0

rsvd

ATT_LHB

Attach on Card Insert/Detach on Card Removal

: attach on Insert is enabled

: (default) - attach on Insert is disabled

Always read as 0

Use LUN Power Configuration

: custom LUN Power Configuration stored in the NVSTORE is used

: (default) - default LUN Power Configuration is used.

7:3

Always read as 0

ATT_HB

7:0

Always read as 0

Byte

Name

Description

3:0

rsvd

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