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TUSB8020BPHPR Datasheet(PDF) 22 Page - Texas Instruments |
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TUSB8020BPHPR Datasheet(HTML) 22 Page - Texas Instruments |
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22 / 43 page  TUSB8020B SLLSEF6A – JULY 2014 – REVISED JULY 2014 www.ti.com 8.5.1.15 Serial Number String Length Register (offset = 22h) Figure 17. Register Offset 22h 7 6 5 4 3 2 1 0 0 0 0 1 1 0 0 0 R/W R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; –n = value after reset Table 18. Bit Descriptions – Serial Number String Length Register Bit Field Name Access Reset Description 7:6 RSVD RO Reserved. Read only, returns 0 when read. Serial number string length. The string length in bytes for the serial number string. The default value is 18h indicating that a 24-byte serial number string is supported. The maximum string length is 32 bytes. 5:0 serNumStringLen RO/RW When customSernum is 1, this field may be overwritten by the contents of an attached EEPROM or by an SMBus host. When the field is non-zero, a serial number string of serNumbStringLen bytes is returned at string index 1 from the data contained in the Serial Number String registers. 8.5.1.16 Manufacturer String Length Register (offset = 23h) Figure 18. Register Offset 23h 7 6 5 4 3 2 1 0 0 0 0 0 0 0 0 0 R R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; –n = value after reset Bit Descriptions – Manufacturer String Length Register Bit Field Name Access Reset 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. 6:0 mfgStringLen RO/RW When customStrings is 1, this field may be overwritten by the contents of an attached EEPROM or by an SMBus host. 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. 8.5.1.17 Product String Length Register (offset = 24h) Figure 19. Register Offset 24h 7 6 5 4 3 2 1 0 0 0 0 0 0 0 0 0 R R/W R/W R/W R/W R/W R/W R/W LEGEND: R/W = Read/Write; R = Read only; –n = value after reset Bit Descriptions – Product String Length Register Bit Field Name Access Reset 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. When customStrings is 1, this field may be overwritten by the contents of an attached 6:0 prodStringLen RO/RW EEPROM or by an SMBus host. 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. 22 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: TUSB8020B |
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