Ultra Fast USB 2.0
configuration, the OEM can update the values through the USB interface. The hub will then “attach” to the upstream USB host.
When using an external SPI Flash, the register addresses in the following three tables (Table 7.1, Table 7.2, ) refer to offsets from the starting location ‘FE80h’.
7.3.2EEPROM Data Descriptor
| Table 7.1 | Internal Flash Media Controller Configurations | ||
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| REG ADDR | REGISTER NAME |
| REGISTER DESCRIPTION | DEFAULT VALUE |
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USB_SER_NUM |
| USB Serial Number | "0000002640001" (Unicode) | |
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USB_VID |
| USB Vendor ID | 0424 | |
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USB_PID |
| USB Product ID | 4050 | |
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USB_LANG_ID |
| USB Language Identifier | 0409 | |
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USB_MFR_STR |
| USB Manufacturer String | “Generic” (Unicode) | |
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USB_PRD_STR |
| USB Product String | "Ultra Fast Media Reader" | |
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| (Unicode) |
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9Ah | USB_BM_ATT |
| USB BmAttribute | 80h |
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9Bh | USB_MAX_PWR |
| USB Max Power | 30h (96 mA) |
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9Ch | ATT_LB |
| Attribute Lo byte | 40h (Reverse SD_WP only) |
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9Dh | ATT_HLB |
| Attribute Hi Lo byte | 00h |
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9Eh | ATT_LHB |
| Attribute Lo Hi byte | 00h |
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9Fh | ATT_HB |
| Attribute Hi byte | 00h |
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A0h | Reserved |
| - |
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A1h | Reserved |
| - | 00h |
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A2h | Reserved |
| - | 80h |
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A3h | Reserved |
| - | 00h |
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A4h | LUN_PWR_LB |
| LUN Power Lo byte | 00h |
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A5h | LUN_PWR_HB |
| LUN Power Hi byte | 08h |
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A6h | Reserved |
| - | 00h |
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A7h | Reserved |
| - | 00h |
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A8h | LED_BLK_INT |
| Led Blink Interval | 02h |
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A9h | LED_BLK_DUR |
| Led Blink After Access | 28h |
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AAh - B0h | LUN0_ID_STR |
| Lun 0 Identifer String | “COMBO” |
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B1h - B7h | LUN1_ID_STR |
| Lun 1 Identifer String | “MS” |
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B8h - BEh | LUN2_ID_STR |
| Lun 2 Identifer String | “SM” |
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| (See Note 7.1) |
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BFh - C5h | LUN3_ID_STR |
| Lun 3 Identifer String | “SD/MMC” |
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C6h - CDh | INQ_VEN_STR |
| Inquiry Vendor String | “Generic” |
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Revision 2.0 | 28 | SMSC USB2640/USB2641 |
| DATASHEET |
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