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TUSB4041IPAPRG4 Scheda tecnica(PDF) 18 Page - Texas Instruments

Il numero della parte TUSB4041IPAPRG4
Spiegazioni elettronici  TUSB4041I Four-Port USB 2.0 Hub
PDF  48 Pages
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Produttore elettronici  TI2 [Texas Instruments]
Homepage  https://www.ti.com
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TUSB4041IPAPRG4 Scheda tecnica(HTML) 18 Page - Texas Instruments

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TUSB4041I
SLLSEK3E – JULY 2015 – REVISED SEPTEMBER 2017
www.ti.com
Product Folder Links: TUSB4041I
Submit Documentation Feedback
Copyright © 2015–2017, Texas Instruments Incorporated
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. This device will
always report the XORed PID LSB value of 0x42. 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
8.5.6 Product ID MSB Register
Offset = 4h, reset = 81h
Figure 7. Product ID MSB Register
7
6
5
4
3
2
1
0
productIdMsb[7]
productIdMsb[6:1]
productIdMsb[0]
R/RW-1
R/RW-0
R/RW-1
Table 8. Product ID MSB Register Field Descriptions
Bit
Field
Type
Reset
Description
7
productIdMsb[7]
R/RW
1
Product ID MSB
Most significant byte of the product ID assigned by TI; the default value of this
register is 81h representing the MSB of the product ID assigned by TI. 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.
6:1
productIdMsb[6:1]
R/RW
0
0
productIdMsb[0]
R/RW
1



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