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STM32L433CB 数据表(PDF) 90 Page - STMicroelectronics |
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STM32L433CB 数据表(HTML) 90 Page - STMicroelectronics |
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90 / 225 page  Electrical characteristics STM32L433xx 90/225 DS11449 Rev 5 6.1.6 Power supply scheme Figure 18. Power supply scheme Caution: Each power supply pair (VDD/VSS, VDDA/VSSA etc.) must be decoupled with filtering ceramic capacitors as shown above. These capacitors must be placed as close as possible to, or below, the appropriate pins on the underside of the PCB to ensure the good functionality of the device. MSv41628V1 VDD IO logic Kernel logic (CPU, Digital & Memories) Backup circuitry (LSE, RTC, Backup registers) IN OUT Regulator GPIOs 1.55 – 3.6 V n x 100 nF +1 x 4.7 μF n x VSS n x VDD VBAT VCORE Power switch VDDIO1 ADCs/ DACs/ OPAMPs/ COMPs/ VREFBUF VREF+ VREF- VDDA 10 nF +1 μF VDDA VSSA VREF 100 nF +1 μF |
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