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TUSB8040_1110 Datasheet(PDF) 23 Page - Texas Instruments |
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TUSB8040_1110 Datasheet(HTML) 23 Page - Texas Instruments |
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23 / 33 page  TUSB8040 www.ti.com SLLSE42F – SEPTEMBER 2010 – REVISED OCTOBER 2011 3.3.13 Manufacturer String Length Register Table 3-26. Register Offset 23h BIT NO. 7 6 5 4 3 2 1 0 RESET STATE 0 0 0 0 0 0 0 0 Table 3-27. Bit Descriptions – Manufacturer String Length Register BIT FIELD NAME ACCESS DESCRIPTION 7 RSVD RO Reserved. Read only, returns 0 when read. Manufacturer string length. The string length in bytes for the manufacturer string. The default value is 0, indicating that a manufacturer string is not provided. The maximum string length is 64 bytes. If the string length in the Serial Number String Length Register is set to 6:0 mfgStringLen RW zero, the Manufacturing String must also be set to a length of zero. When the field is non-zero, a manufacturer string of mfgStringLen bytes is returned at string index 3 from the data contained in the Manufacturer String registers. 3.3.14 Product String Length Register Table 3-28. Register Offset 24h BIT NO. 7 6 5 4 3 2 1 0 RESET STATE 0 0 0 0 0 0 0 0 Table 3-29. Bit Descriptions – Product String Length Register BIT FIELD NAME ACCESS DESCRIPTION 7 RSVD RO Reserved. Read only, returns 0 when read. Product string length. The string length in bytes for the product string. The default value is 0, indicating that a product string is not provided. The maximum string length is 64 bytes. If the string length in the Serial Number String Length Register is set to zero, the Product 6:0 mfgStringLen RW String must also be set to a length of zero. When the field is non-zero, a product string of prodStringLen bytes is returned at string index 2 from the data contained in the Product String registers. 3.3.15 Serial Number Registers Table 3-30. Register Offset 30h-4Fh BIT NO. 7 6 5 4 3 2 1 0 RESET STATE x x x xx x x x x Table 3-31. Bit Descriptions – Serial Number Byte N Register BIT FIELD NAME ACCESS DESCRIPTION Serial Number byte N. The serial number returned in the Serial Number string descriptor at string index 1. When customSernum is 1, these registers may be over-written by EEPROM 7:0 serialNumber[n] RW contents or by an SMBus host. The same serial number will be returned in both the USB 2.0 and USB 3.0 descriptors of the TUSB8040. Copyright © 2010–2011, Texas Instruments Incorporated FUNCTIONAL DESCRIPTION 23 Submit Documentation Feedback Product Folder Link(s): TUSB8040 |
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