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TUSB8043 Datasheet(PDF) 6 Page - Texas Instruments

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Part # TUSB8043
Description  Four-Port USB 3.1 Gen1 Hub
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TUSB8043 Datasheet(HTML) 6 Page - Texas Instruments

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TUSB8043
SLLSEW4 – JUNE 2017
www.ti.com
Product Folder Links: TUSB8043
Submit Documentation Feedback
Copyright © 2017, 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. This pin be left unconnected if
power management is not implemented.
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 typically connected to 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
When GANGED power management is enabled, this pin or one of the other OVERCURz pins
must be connected to the over current output of the power switch or circuit which detects the
over current conditions. For the case when another OVERCURz pin is used, this pin can be
left unconnected.
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. This pin be left unconnected if
power management is not implemented.
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 typically connected to 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
When GANGED power management is enabled, this pin or one of the other OVERCURz pins
must be connected to the over current output of the power switch or circuit which detects the
over current conditions. For the case when another OVERCURz pin is used, this pin can be
left unconnected.
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. This pin be left unconnected if
power management is not implemented.
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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