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TUSB8043RGCT Datasheet(PDF) 6 Page - Texas Instruments |
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TUSB8043RGCT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 59 page 6 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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