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STM32U375CE Datasheet(PDF) 86 Page - STMicroelectronics |
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STM32U375CE Datasheet(HTML) 86 Page - STMicroelectronics |
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86 / 222 page  Figure 24. STM32U375xx power supply scheme (without SMPS) VDDIO2 VDD I/O logic Kernel logic (CPU, digital and memories) Backup circuitry (LSE, RTC, TAMP backup registers) IN OUT LDO regulator GPIOs IN OUT GPIOs n x 100 nF + 1 x 10 µF m x 100 nF I/O 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 100 nF +1 µF VDDA VSSA VREF 100 nF+ 1 µF VCORE 4.7 µF VCAP VDDUSB 3.3 V 100 nF 1.65 – 3.6 V The external capacitor on VCAP pin requires the following characteristics: • COUT = 4.7 μF • COUT ESR < 20 mΩ at 3 MHz • COUT rated voltage ≥ 10 V STM32U375xx Electrical characteristics DS14861 - Rev 2 page 86/222 |
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