Ultra Fast USB 2.0
7.3.2.89Bh: USB MaxPower (1 byte)
BYTE |
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NUMBER | BYTE NAME | DESCRIPTION |
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7:0 | USB_MAX_PWR | USB Max Power Per USB specification. Do NOT set this value greater than |
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| 100 mA. |
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7.3.2.99Ch-9Fh: Attribute Byte Descriptions
| BYTE | BIT |
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BYTE | NAME | NUMBER |
| DESCRIPTION |
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1 | ATT_LB | 3:0 | Always reads ‘0’. | |
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| 4 | Inquire Manufacturer and Product ID Strings | |
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| 1 | - Use the Inquiry Manufacturer and Product ID Strings. |
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| 0 (default) - Use the USB Descriptor Manufacturer and Product ID Strings. | |
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| 5 | Activity GPIO High when Suspended | |
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| 1 | - The activity LED GPIO is set to High when suspended. |
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| 0 | (default) - The activity LED GPIO is set to Low when suspended. |
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| 6 | Reverse SD Card Write Protect Sense | |
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| 1 (default) - SD cards will be write protected when SW_nWP is high, and | |
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| writable when SW_nWP is low. | |
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| 0 | - SD cards will be write protected when SW_nWP is low, and writable |
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| when SW_nWP is high. | |
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| 7 | Always reads ‘0’. | |
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2 | ATT_HLB | 3:0 | Always reads ‘0’. | |
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| 4 | Activity LED True polarity | |
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| 1 | - Activity LED to Low True. |
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| 0 | (default) - Activity LED polarity to High True. |
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| 5 | Common Media Insert / Media Activity LED | |
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| 1 | - The activity LED will function as a common media inserted/media |
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| access LED. | |
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| 0 | (default) - The activity LED will remain in its idle state until media is |
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| accessed. | |
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| 7:6 | Always reads ‘0’. | |
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3 | ATT_LHB | 0 | Attach on Card Insert / Detach on Card Removal | |
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| 1 | - Attach on Insert is enabled |
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| 0 | (default) - Attach on Insert is disabled |
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| 1 | Always reads ‘0’. | |
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| 2 | Use Lun Power Configuration. | |
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| 1 | - Custom LUN Power Configuration stored in the NVSTORE is used. |
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| 0 | (default) - Default LUN Power Configuration is used. |
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| 7:3 | Always reads ‘0’. | |
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4 | ATT_HB | 6:0 | Always reads ‘0’. | |
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| 7 | xD Player Mode | |
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Revision 2.0 | 32 | SMSC USB2640/USB2641 |
| DATASHEET |
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