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TUSB8041 Fiches technique(PDF) 6 Page - Texas Instruments

No de pièce TUSB8041
Description  TUSB8041 Four-Port USB 3.0 Hub
PDF  49 Pages
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Fabricant  TI2 [Texas Instruments]
Site Internet  https://www.ti.com
Logo TI2 - Texas Instruments

TUSB8041 Fiches technique(HTML) 6 Page - Texas Instruments

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TUSB8041
SLLSEE4E – JUNE 2014 – REVISED JUNE 2016
www.ti.com
Submit Documentation Feedback
Copyright © 2014–2016, Texas Instruments Incorporated
Pin Functions (continued)
PIN
I/O
DESCRIPTION
NAME
NO.
PWRCTL2/BATEN2
35
I/O, PD
USB Port 2 Power On Control for Downstream Power/Battery Charging Enable. The pin is
used for control of the downstream power switch for Port 2.
In addition, the value of the pin is sampled at the de-assertion of reset to determine the value
of the battery charging support for Port 2 as indicated in the Battery Charging Support
register:
0 = Battery charging not supported
1 = Battery charging supported
OVERCUR2z
47
I, PU
USB Port 2 Over-Current Detection. This pin is used to connect the over current output of the
downstream port power switch for Port 2.
0 = An over current event has occurred
1 = An over current event has not occurred
This pin be left unconnected if power management is not implemented. If power management
is enabled, the external circuitry needed should be determined by the power switch.
USB_SSTXP_DN3
19
O
USB SuperSpeed transmitter differential pair (positive)
USB_SSTXM_DN3
20
O
USB SuperSpeed transmitter differential pair (negative)
USB_SSRXP_DN3
22
I
USB SuperSpeed receiver differential pair (positive)
USB_SSRXM_DN3
23
I
USB SuperSpeed receiver differential pair (negative)
USB_DP_DN3
17
I/O
USB High-speed differential transceiver (positive)
USB_DM_DN3
18
I/O
USB High-speed differential transceiver (negative)
PWRCTL3/BATEN3
33
I/O, PD
USB Port 3 Power On Control for Downstream Power/Battery Charging Enable. The pin is
used for control of the downstream power switch for Port 3.
In addition, the value of the pin is sampled at the de-assertion of reset to determine the value
of the battery charging support for Port 3 as indicated in the Battery Charging Support
register:
0 = Battery charging not supported
1 = Battery charging supported
OVERCUR3z
44
I, PU
USB Port 3 Over-Current Detection. This pin is used to connect the over current output of the
downstream port power switch for Port 3.
0 = An over current event has occurred
1 = An over current event has not occurred
This pin can be left unconnected if power management is not implemented. If power
management is enabled, the external circuitry needed should be determined by the power
switch.
USB_SSTXP_DN4
26
O
USB SuperSpeed transmitter differential pair (positive)
USB_SSTXM_DN4
27
O
USB SuperSpeed transmitter differential pair (negative)
USB_SSRXP_DN4
29
I
USB SuperSpeed receiver differential pair (positive)
USB_SSRXM_DN4
30
I
USB SuperSpeed receiver differential pair (negative)
USB_DP_DN4
24
I/O
USB High-speed differential transceiver (positive)
USB_DM_DN4
25
I/O
USB High-speed differential transceiver (negative)
PWRCTL4/BATEN4
32
I/O, PD
USB Port 4 Power On Control for Downstream Power/Battery Charging Enable. The pin is
used for control of the downstream power switch for Port 4.
In addition, the value of the pin is sampled at the de-assertion of reset to determine the value
of the battery charging support for Port 4 as indicated in the Battery Charging Support
register:
0 = Battery charging not supported
1 = Battery charging supported



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