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TUSB4041IPAPR.A 数据表(PDF) 21 Page - Texas Instruments

部件名 TUSB4041IPAPR.A
功能描述  TUSB4041I Four-Port USB 2.0 Hub
PDF  48 Pages
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制造商  TI2 [Texas Instruments]
网页  https://www.ti.com
标志 TI2 - Texas Instruments

TUSB4041IPAPR.A 数据表(HTML) 21 Page - Texas Instruments

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TUSB4041I
www.ti.com
SLLSEK3E – JULY 2015 – REVISED SEPTEMBER 2017
Product Folder Links: TUSB4041I
Submit Documentation Feedback
Copyright © 2015–2017, Texas Instruments Incorporated
8.5.10 Port Used Configuration Register
Offset = 8h
Figure 11. Port Used Configuration Register
7
6
5
4
3
2
1
0
RSVD
used[3:0]
R-0
RW-1
Table 12. Port Used Configuration Register Field Descriptions
Bit
Field
Type
Reset
Description
7:4
RSVD
R
0
Reserved
Read only
3:0
used[3:0]
RW
1
Used
The bits in this field indicate whether a port is enabled.
0 = The port is disabled.
1 = The port is enabled.
8.5.11 Device Configuration Register 2
Offset = Ah
Figure 12. Device Configuration Register 2
7
6
5
4
3
2
1
0
RSVD
customBCfeatu
res
pwrctlPol
HiCurAcpMode
En
cpdEN
RSVD
autoModeEnz
RSVD
R-0
RW-0
RW-X
R/RW-0
R/RW-0
RW-0
RW-X
R-0
Table 13. Device Configuration Register 2 Field Descriptions
Bit
Field
Type
Reset
Description
7
RSVD
R
0
Reserved
Read only, returns 0 when read.
6
customBCfeatures
RW
0
Custom battery charging feature enable
This bit controls the ability to write to the battery charging feature configuration
controls.
0 = The HiCurAcpModeEn and cpdEN bits are read only and the values
are loaded from the OTP ROM.
1 = The HiCurAcpModeEn and cpdEN, bits are R/W and can be loaded
by EEPROM or written by SMBus from this register.
This bit may be written simultaneously with HiCurAcpModeEn and cpdEN.
5
pwrctlPol
RW
X
Power enable polarity
This bit is loaded at the deassertion of reset with the value of the
PWRCTL_POL pin.
0 = PWRCTL polarity is active low.
1 = PWRCTL polarity is active high.
When the TUSB4041I device is in I2C mode, the TUSB4041I device loads this
bit from the contents of the EEPROM.
When the TUSB4041I device is in SMBUS mode, the value may be
overwritten by an SMBus host.



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