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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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STM32F373VC Datenblatt(PDF) 107 Page - STMicroelectronics |
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STM32F373VC Datenblatt(HTML) 107 Page - STMicroelectronics |
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107 / 137 page  DocID022691 Rev 7 107/137 STM32F373xx Electrical characteristics 114 6.3.23 USB characteristics Table 71. USB startup time Symbol Parameter Max Unit tSTARTUP(1) 1. Guaranteed by design. USB transceiver startup time 1 µs Table 72. USB DC electrical characteristics Symbol Parameter Conditions Min.(1) 1. All the voltages are measured from the local ground potential. Max.(1) Unit Input levels VDD USB operating voltage(2) 2. To be compliant with the USB 2.0 full-speed electrical specification, the USB_DP (D+) pin should be pulled up with a 1.5 k Ω resistor to a 3.0-to-3.6 V voltage range. -3.0(3) 3. The STM32F3xxx USB functionality is ensured down to 2.7 V but not the full USB electrical characteristics which are degraded in the 2.7-to-3.0 V VDD voltage range. 3.6 V VDI(4) 4. Guaranteed by design. Differential input sensitivity (for USB compliance) I(USB_DP, USB_DM) 0.2 - V VCM(4) Differential common mode range Includes VDI range 0.8 2.5 VSE(4) Single ended receiver threshold - 1.3 2.0 Output levels VOL Static output level low RL of 1.5 kΩ to 3.6 V(5) 5. RL is the load connected on the USB drivers -0.3 V VOH Static output level high RL of 15 kΩ to VSS(5) 2.8 3.6 |
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