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TUSB4041I-Q1 Datasheet(PDF) 16 Page - Texas Instruments

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Part # TUSB4041I-Q1
Description  Four-Port USB 2.0 Hub
Download  44 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB4041I-Q1 Datasheet(HTML) 16 Page - Texas Instruments

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TUSB4041I-Q1
SLLSEK4B – JULY 2015 – REVISED JANUARY 2016
www.ti.com
Product Folder Links: TUSB4041I-Q1
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
8.5.3 Vendor ID LSB Register
Offset = 1h, reset = 51h
Figure 4. Vendor ID LSB Register
7
6
5
4
3
2
1
0
vendorIdLsb[7]
vendorIdLsb[6]
vendorIdLsb[5]
vendorIdLsb[4]
vendorIdLsb[3:1]
vendorIdLsb[0]
R/RW-0
R/RW-1
R/RW-0
R/RW-1
R/RW-0
R/RW-1
Table 5. Vendor ID LSB Register Field Descriptions
Bit
Field
Type
Reset
Description
7
vendorIdLsb[7]
R/RW
0
Vendor ID LSB
Least significant byte of the unique vendor ID assigned by the USB-IF; the
default value of this register is 51h representing the LSB of the TI Vendor ID
0451h. The value may be overwritten to indicate a customer vendor ID.
This field is R/W unless the OTP ROM VID and OTP ROM PID values are non-
zero. If both values are non-zero, the value when reading this register will
reflect the OTP ROM value.
6
vendorIdLsb[6]
R/RW
1
5
vendorIdLsb[5]
R/RW
0
4
vendorIdLsb[4]
R/RW
1
3:1
vendorIdLsb[3:1]
R/RW
0
0
vendorIdLsb[0]
R/RW
1
8.5.4 Vendor ID MSB Register
Offset = 2h, reset = 04h
Figure 5. Vendor ID MSB Register
7
6
5
4
3
2
1
0
vendorIdMsb[7:3]
vendorIdMsb[2]
vendorIdMsb[1:0]
R/RW-0
R/RW-1
R/RW-0
Table 6. Vendor ID MSB Register Field Descriptions
Bit
Field
Type
Reset
Description
7:3
vendorIdMsb[7:3]
R/RW
0
Vendor ID MSB
Most significant byte of the unique vendor ID assigned by the USB-IF; the default
value of this register is 04h representing the MSB of the TI Vendor ID 0451h. The
value may be overwritten to indicate a customer vendor ID.
This field is R/W unless the OTP ROM VID and OTP ROM PID values are non-zero.
If both values are non-zero, the value when reading this register shall reflect the
OTP ROM value.
2
vendorIdMsb[2]
R/RW
1
1:0
vendorIdMsb[1:0]
R/RW
0
8.5.5 Product ID LSB Register
Offset = 3h, reset = 40h
Figure 6. Product ID LSB Register
7
6
5
4
3
2
1
0
productIdLsb[7]
productIdLsb[6]
productIdLsb[5:0]
R/RW-0
R/RW-1
R/RW-0
Table 7. Product ID LSB Register Field Descriptions
Bit
Field
Type
Reset
Description
7
productIdLsb[7]
R/RW
0
Product ID LSB.
The default value of this register is 40h representing the LSB of the product
ID assigned by TI. The value reported in the USB 2.0 device descriptor is
the value of this register bit wise XORed with 00000010b. The value may
be overwritten to indicate a customer product ID.
This field is R/W unless the OTP ROM VID and OTP ROM PID values are
non-zero. If both values are non-zero, the value when reading this register
will reflect the OTP ROM value.
6
productIdLsb[6]
R/RW
1
5:0
productIdLsb[5:0]
R/RW
0


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