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TUSB8041RGCT 데이터시트(PDF) 17 Page - Texas Instruments

부품명 TUSB8041RGCT
상세설명  TUSB8041 Four-Port USB 3.0 Hub
PDF  49 Pages
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제조업체  TI2 [Texas Instruments]
홈페이지  https://www.ti.com
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TUSB8041RGCT 데이터시트(HTML) 17 Page - Texas Instruments

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TUSB8041
www.ti.com
SLLSEE4E – JUNE 2014 – REVISED JUNE 2016
Submit Documentation Feedback
Copyright © 2014–2016, Texas Instruments Incorporated
8.5 Register Maps
8.5.1 Configuration Registers
The internal configuration registers are accessed on byte boundaries. The configuration register values are
loaded with defaults but can be over-written when the TUSB8041 is in I2C or SMBus mode.
Table 3. TUSB8041 Register Map
BYTE
ADDRESS
CONTENTS
EEPROM CONFIGURABLE
00h
ROM Signature Register
No
01h
Vendor ID LSB
Yes
02h
Vendor ID MSB
Yes
03h
Product ID LSB
Yes
04h
Product ID MSB
Yes
05h
Device Configuration Register
Yes
06h
Battery Charging Support Register
Yes
07h
Device Removable Configuration Register
Yes
08h
Port Used Configuration Register
Yes
09h
Reserved
Yes, program to 00h
0Ah
Device Configuration Register 2
Yes
0Bh
USB 2.0 Port Polarity Control Register
Yes
0Ch-0Fh
Reserved
No
10h-1Fh
UUID Byte [15:0]
No
20h-21h
LangID Byte [1:0]
Yes, if customStrings is set
22h
Serial Number String Length
Yes, if customSerNum is set
23h
Manufacturer String Length
Yes, if customStrings is set
24h
Product String Length
Yes, if customStrings is set
25h-2Fh
Reserved
No
30h-4Fh
Serial Number String Byte [31:0]
Yes, if customSerNum is set
50h-8Fh
Manufacturer String Byte [63:0]
Yes, if customStrings is set
90h-CFh
Product String Byte [63:0]
Yes, if customStrings is set
D0-DFh
Reserved
No
F0h
Additional Feature Configuration Register
Yes
F1-F7h
Reserved
No
F8h
Device Status and Command Register
No
F9-FFh
Reserved
No
8.5.2 ROM Signature Register
Table 4. Register Offset 0h
Bit No.
7
6
5
4
3
2
1
0
Reset State
0
0
0
0
0
0
0
0
Table 5. Bit Descriptions – ROM Signature Register
Bit
Field Name
Access
Description
7:0
romSignature
RW
ROM Signature Register. This register is used by the TUSB8041 in I2C
mode to validate the attached EEPROM has been programmed. The first
byte of the EEPROM is compared to the mask 55h and if not a match,
the TUSB8041 aborts the EEPROM load and executes with the register
defaults.



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