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STM32L552CCT3PTR Datasheet(PDF) 139 Page - STMicroelectronics |
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STM32L552CCT3PTR Datasheet(HTML) 139 Page - STMicroelectronics |
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139 / 340 page  DS12737 Rev 6 139/340 STM32L552xx Electrical characteristics 307 5.1.6 Power supply scheme Figure 27. STM32L552xx and STM32L562xx power supply overview MSv62917V1 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 |
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