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STM32F107RB bảng dữ liệu(PDF) 71 Page - STMicroelectronics |
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STM32F107RB bảng dữ liệu(HTML) 71 Page - STMicroelectronics |
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71 / 108 page ![]() DocID15274 Rev 10 71/108 STM32F105xx, STM32F107xx Electrical characteristics 107 USB OTG FS characteristics The USB OTG interface is USB-IF certified (Full-Speed). Figure 30. USB OTG FS timings: definition of data signal rise and fall time Table 45. USB OTG FS startup time Symbol Parameter Max Unit tSTARTUP(1) 1. Guaranteed by design, not tested in production. USB OTG FS transceiver startup time 1 µs Table 46. USB OTG FS DC electrical characteristics Symbol Parameter Conditions Min.(1) 1. All the voltages are measured from the local ground potential. Typ. Max.(1) Unit Input levels VDD USB OTG FS operating voltage - 3.0(2) 2. The STM32F105xx and STM32F107xx USB OTG FS functionality is ensured down to 2.7 V but not the full USB OTG FS electrical characteristics which are degraded in the 2.7-to-3.0 V VDD voltage range. - 3.6 V VDI(3) 3. Guaranteed by design, not tested in production. Differential input sensitivity I(USBDP, USBDM) 0.2 - - V VCM(3) Differential common mode range Includes VDI range 0.8 - 2.5 VSE(3) Single ended receiver threshold - 1.3 - 2.0 Output levels VOL Static output level low RL of 1.5 kΩ to 3.6 V(4) 4. RL is the load connected on the USB OTG FS drivers - 0.3 V VOH Static output level high RL of 15 kΩ to VSS(4) 2.8 - 3.6 RPD Pull-down resistance on PA11, PA12 VIN = VDD 17 21 24 k Ω Pull-down resistance on PA9 0.65 1.1 2.0 RPU Pull-up resistance on PA12 VIN = VSS 1.5 1.8 2.1 Pull-up resistance on PA9 VIN = VSS 0.25 0.37 0.55 |
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