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STM32G081EB датащи(PDF) 54 Page - STMicroelectronics |
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STM32G081EB датащи(HTML) 54 Page - STMicroelectronics |
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54 / 136 page ![]() Electrical characteristics STM32G081xB 54/136 DS12231 Rev 4 5.1.6 Power supply scheme Figure 13. Power supply scheme Caution: Power supply pin pair (VDD/VDDA and VSS/VSSA) 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. MSv47900V1 VDD Backup circuitry (LSE, RTC and backup registers) Kernel logic (CPU, digital and memories) IO logic IN OUT Regulator GPIOs 1.55 V to 3.6 V 1 x 100 nF + 1 x 4.7 μF VDD/VDDA VBAT VCORE Power switch VDDIO1 ADC DAC COMPs VREFBUF VREF+ VREF- VSS/VSSA VREF 100 nF 1 μF VSS VSSA VDDA VDD VREF+ |
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