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TMS320DM8167 数据表(PDF) 89 Page - Texas Instruments |
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TMS320DM8167 数据表(HTML) 89 Page - Texas Instruments |
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89 / 312 page  TMS320DM8168, TMS320DM8167 TMS320DM8166, TMS320DM8165 www.ti.com SPRS614 – MARCH 2011 3.2.18 Universal Serial Bus (USB) Signals Table 3-23. USB Terminal Functions SIGNAL TYPE(1) OTHER(2) (3) MUXED DESCRIPTION NAME NO. USB0 USB0_DP P37 A I/O - - USB0 bidirectional Data Differential signal pair [positive/negative]. USB0_DN P36 A I/O - - When the USB0 PHY is powered down, these pins should be left unconnected. USB0 current reference output. When the USB0 peripheral is used, this pin must be connected via a 10-k Ω ±1% resistor to VSS. USB0_R1 N37 A O - - When the USB0 PHY is powered down, this pin should be left unconnected. When this pin is used as USB0_DRVVBUS and the USB0 Controller is operating as a Host, this signal is PULL: IPD / IPD used by the USB0 Controller to enable the external - USB0_DRVVBUS P35 O DRIVE: L / L VBUS charge pump. PINCTRL322 DVDD_3P3 When the USB0 PHY is powered down, this pin should be left unconnected. USB0 VBUS input (5 V). The voltage level on this pin is sampled to determine VDD_USB0_VBUS N36 I - - session status. When the USB0 PHY is powered down, this pin should be left unconnected. USB1 USB1_DP R37 A I/O - - USB1 bidirectional Data Differential signal pair [positive/negative]. USB1_DN R36 A I/O - - When the USB1 PHY is powered down, these pins should be left unconnected. USB1 current reference output. When the USB1 peripheral is used, this pin must be connected via a 10-k Ω ±1% resistor to VSS. USB1_R1 T37 A O - - When the USB1 PHY is powered down, this pin should be left unconnected. When this pin is used as USB1_DRVVBUS and the USB1 Controller is operating as a Host, this signal is PULL: IPD / IPD used by the USB1 Controller to enable the external - USB1_DRVVBUS R35 O DRIVE: L / L VBUS charge pump. PINCTRL323 DVDD_3P3 When the USB1 PHY is powered down, this pin should be left unconnected. USB1 VBUS input (5 V). The voltage level on this pin is sampled to determine VDD_USB1_VBUS T36 I - - session status. When the USB1 PHY is powered down, this pin should be left unconnected. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal. (2) PULL: A / B, where: A is the state of the internal pull resistor during POR reset B is the state of the internal pull resistor after POR and Warm reset are de-asserted and during Warm reset IPD = Internal Pulldown Enabled, IPU = Internal Pullup Enabled, DIS = Internal Pull Disabled DRIVE: A / B, where; A is the driving state of the pin during POR reset B is the driving state of the pin after POR and Warm reset are de-asserted and during Warm reset H = Driving High, L = Driving Low, Z = 3-State For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see Section 4.2.1, Pullup/Pulldown Resistors. (3) Specifies the operating I/O supply voltage for each signal. Copyright © 2011, Texas Instruments Incorporated Device Pins 89 Submit Documentation Feedback Product Folder Link(s): TMS320DM8168 TMS320DM8167 TMS320DM8166 TMS320DM8165 |
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