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STM32L552CEU6PTR 数据表(PDF) 140 Page - STMicroelectronics |
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STM32L552CEU6PTR 数据表(HTML) 140 Page - STMicroelectronics |
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140 / 340 page  Electrical characteristics STM32L552xx 140/340 DS12737 Rev 6 Figure 28. STM32L552xxxP and STM32L562xxxP power supply overview Note: If the selected package has the external SMPS option but no external SMPS is used by the application (the embedded LDO is used instead), the VDD12 pins are kept unconnected. MSv62918V1 VDDIO2 VDD IO logic Kernel logic (CPU, Digital & Memories) Backup circuitry (LSE, RTC, Backup registers) IN OUT Regulator GPIOs 1.55 – 3.6 V IN OUT GPIOs n x 100 nF +1 x 4.7 μF m x100 nF IO logic +4.7 μF m x VDDIO2 m x VSS n x VSS n x VDD VBAT VCORE Power switch VDDIO2 VDDIO1 ADCs/ DACs/ OPAMPs/ COMPs/ VREFBUF VREF+ VREF- VDDA 10 nF +1 μF VDDA VSSA VREF 100 nF +1 μF 1.05 – 1.32 V 2 x VDD12 |
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