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TUSB8041-Q1 Datasheet(PDF) 8 Page - Texas Instruments |
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TUSB8041-Q1 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 48 page  TUSB8041-Q1 SLLSEE6B – JULY 2014 – REVISED JANUARY 2016 www.ti.com Pin Functions (continued) PIN I/O DESCRIPTION NAME NO. Ganged operation enable/SMBus Address bit 2/HS Connection Status Upstream Port. The value of the pin is sampled at the de-assertion of reset to set the power switch and over current detection mode as follows: 0 = Individual power control supported when power switching is enabled 1 = Power control gangs supported when power switching is enabled GANGED/SMBA2/ 10 I/O, PD When SMBus mode is enabled using SMBUSz, this pin sets the value of the SMBus slave HS_UP address bit 2. After reset, this signal indicates the High-speed USB connection status of the upstream port if enabled through the Additional Feature Configuration register. When enabled a value of 1 indicates the upstream port is connected to a High-speed USB capable port. Note: Individual power control must be enabled for battery charging applications. Automatic Charge Mode Enable/HS Suspend Status. The value of the pin is sampled at the de-assertion of reset to determine if automatic mode is enabled as follows: 0 = Automatic Mode is enabled on ports that are enabled for battery charging when the hub is unconnected. Please note that CDP is not supported on Port 1 when operating in AUTOENz/ Automatic mode. 13 I/O, PU HS_SUSPEND 1 = Automatic Mode is disabled This value is also used to set the autoEnz bit in the Battery Charging Support Register. After reset, this signal indicates the High-speed USB Suspend status of the upstream port if enabled through the Additional Feature Configuration register. When enabled a value of 1 indicates the connection is suspended. TEST 17 I, PD This pin is reserved for factory test. Power and Ground Signals 19, 25, 37, 45 VDD PWR 1.1-V power rail 53, 60, 63 2, 20, VDD33 PWR 3.3-V power rail 31, 48 THERM VSS PWR Ground. Thermal pad must be connected to ground. AL PAD NC 28, 40 — No connect, leave floating 8 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated |
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