USB2640I Standard Microsystems Corp., USB2640I Datasheet - Page 32

• Manufacturer Part Number: USB2640I
• Description: Industrial Temperature Usb 2.0 Flash Media Controller And Usb Hub Combo
• Manufacturer: Standard Microsystems Corp.

Revision 2.0 (10-03-08)
7.3.2.8
7.3.2.9
NUMBER
BYTE
BYTE
1
2
3
4
7:0
ATT_HLB
ATT_LHB
ATT_HB
ATT_LB
9Bh: USB MaxPower (1 byte)
9Ch-9Fh: Attribute Byte Descriptions
NAME
BYTE
USB_MAX_PWR
BYTE NAME
NUMBER
BIT
3:0
3:0
7:6
7:3
6:0
4
5
6
7
4
5
1
2
7
0
USB Max Power Per USB specification. Do NOT set this value greater than
100 mA.
Always reads ‘0’.
Inquire Manufacturer and Product ID Strings
1 - Use the Inquiry Manufacturer and Product ID Strings.
0 (default) - Use the USB Descriptor Manufacturer and Product ID Strings.
Activity GPIO High when Suspended
1 - The activity LED GPIO is set to High when suspended.
0 (default) - The activity LED GPIO is set to Low when suspended.
Reverse SD Card Write Protect Sense
1 (default) - SD cards will be write protected when SW_nWP is high, and
writable when SW_nWP is low.
0 - SD cards will be write protected when SW_nWP is low, and writable
when SW_nWP is high.
Always reads ‘0’.
Always reads ‘0’.
Activity LED True polarity
1 - Activity LED to Low True.
0 (default) - Activity LED polarity to High True.
Common Media Insert / Media Activity LED
1 - The activity LED will function as a common media inserted/media
access LED.
0 (default) - The activity LED will remain in its idle state until media is
accessed.
Always reads ‘0’.
Attach on Card Insert / Detach on Card Removal
1 - Attach on Insert is enabled
0 (default) - Attach on Insert is disabled
Always reads ‘0’.
Use Lun Power Configuration.
1 - Custom LUN Power Configuration stored in the NVSTORE is used.
0 (default) - Default LUN Power Configuration is used.
Always reads ‘0’.
Always reads ‘0’.
xD Player Mode
Industrial Temperature USB 2.0 Flash Media Controller and USB Hub Combo
DATASHEET
32
DESCRIPTION
DESCRIPTION
SMSC USB2640i/USB2641i