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TUSB8041IPAPQ1 Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce TUSB8041IPAPQ1
Description  Automotive Four-Port USB 3.0 Hub
PDF  48 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8041IPAPQ1 Fiches technique(HTML) 6 Page - Texas Instruments

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TUSB8041-Q1
SLLSEE6B – JULY 2014 – REVISED JANUARY 2016
www.ti.com
Pin Functions (continued)
PIN
I/O
DESCRIPTION
NAME
NO.
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
PWRCTL2/BATEN2
3
I/O, PD
register:
0 = Battery charging not supported
1 = Battery charging supported
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
OVERCUR2z
15
I, PU
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
51
O
USB SuperSpeed transmitter differential pair (positive)
USB_SSTXM_DN3
52
O
USB SuperSpeed transmitter differential pair (negative)
USB_SSRXP_DN3
54
I
USB SuperSpeed receiver differential pair (positive)
USB_SSRXM_DN3
55
I
USB SuperSpeed receiver differential pair (negative)
USB_DP_DN3
49
I/O
USB High-speed differential transceiver (positive)
USB_DM_DN3
50
I/O
USB High-speed differential transceiver (negative)
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
PWRCTL3/BATEN3
1
I/O, PD
register:
0 = Battery charging not supported
1 = Battery charging supported
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
OVERCUR3z
12
I, PU
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
58
O
USB SuperSpeed transmitter differential pair (positive)
USB_SSTXM_DN4
59
O
USB SuperSpeed transmitter differential pair (negative)
USB_SSRXP_DN4
61
I
USB SuperSpeed receiver differential pair (positive)
USB_SSRXM_DN4
62
I
USB SuperSpeed receiver differential pair (negative)
USB_DP_DN4
56
I/O
USB High-speed differential transceiver (positive)
USB_DM_DN4
57
I/O
USB High-speed differential transceiver (negative)
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
PWRCTL4/BATEN4
64
I/O, PD
register:
0 = Battery charging not supported
1 = Battery charging supported
6
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