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AS3722 数据表(PDF) 86 Page - ams-OSRAM AG |
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AS3722 数据表(HTML) 86 Page - ams-OSRAM AG |
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86 / 199 page  ams Datasheet Page 85 [v1-01] 2015-Sep-07 Document Feedback AS3722 − Detailed Descriptions- System Functions SPI Parameter Figure 83: SPI Characteristics SPI Characteristic: Shows the key electrical parameter of the SPI interface. PMW DVS Control Interfaces Description Two dedicated PMW interfaces can be used to perform DVS on SD0 and SD6. The voltage is determined by a base value (vpwmX_base) and the increments according to the duty cycle of the pwm signal. The step-size and reset behavior can be programmed individually for both interfaces. A threshold value of 0.6-to 1.84V can be set in the OTP to limit the maximum allowed output voltage for each of the two regulators. Symbol Parameter Conditions Min Typ Max Unit SCLK/SDI/SCSB Pins VIH High-Level Input Voltage 1.4 VSUP_GPIO V VIL Low-Level Input Voltage 0.4 V VHYS Hysteresis 0.2 x VSUP_GP IO V ILEAK Input Leakage Current to VSUP_GPIO and GND_PAD -5 5 μA SDO Pin VOH High-Level Output Voltage at -2.0mA 0.8 x VDD_GPI O_lv V VOL Low-Level Output Voltage at 2.0mA 0.2 x VDD_GPIO_lv V CLOAD Capacitive Load 50 pF |
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