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STM32G474PBY3TR データシート(PDF) 81 Page - STMicroelectronics |
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STM32G474PBY3TR データシート(HTML) 81 Page - STMicroelectronics |
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81 / 236 page  DS12288 Rev 5 81/236 STM32G474xB STM32G474xC STM32G474xE Electrical characteristics 200 5.1.6 Power supply scheme Figure 16. 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. MS60206V1 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 VDDIO ADCs/ DACs/ OPAMPs/ COMPs/ VREFBUF VREF- VDDA 10 nF +1 μF VDDA VSSA VREF 100 nF +1 μF VREF+ VREF+ Reset block Temp. sensor PLL, HSI16, HSI48 Standby circuitry (Wakeup logic, IWDG) |
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