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TUSB8044AI Fiches technique(PDF) 41 Page - Texas Instruments

No de pièce TUSB8044AI
Description  four-port USB 3.2 x1 Gen1 hub with USB billboard
PDF  63 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8044AI Fiches technique(HTML) 41 Page - Texas Instruments

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TUSB8044A
www.ti.com
SLLSF92 – FEBRUARY 2019
Product Folder Links: TUSB8044A
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Copyright © 2019, Texas Instruments Incorporated
8.5.24 Billboard PID LSB
Figure 25. Register Offset 29h (Billboard PID LSB)
Bit No.
7
6
5
4
3
2
1
0
Reset State
0
0
0
0
0
0
0
0
Table 32. Bit Descriptions – Billboard PID LSB
Bit
Field
Type
Description
7:0
BBPID_LSB
RW
Billboard PID LSB. This field represents the LSB of the 16-bit PID.
When Billboard PID LSB and MSB are all zero, ROM default is
selected for USB descriptor requests. This register however will
continue to read back zero. This field's default can be changed using
an external I2C EEPROM or SMBus
8.5.25 Billboard PID MSB
Figure 26. Register Offset 2Ah (Billboard PID MSB)
Bit No.
7
6
5
4
3
2
1
0
Reset State
0
0
0
0
0
0
0
0
Table 33. Bit Descriptions – Billboard PID MSB
Bit
Field
Type
Description
7:0
BBPID_LSB
RW
Billboard PID MSB. This field represents the MSB of the 16-bit PID.
When Billboard PID LSB and MSB are all zero, ROM default is
selected for USB descriptor requests. This register however will
continue to read back zero. This field's default can be changed using
an external I2C EEPROM or SMBus.



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