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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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AN4635 Scheda tecnica(PDF) 28 Page - STMicroelectronics |
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AN4635 Scheda tecnica(HTML) 28 Page - STMicroelectronics |
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28 / 34 page  Power consumption comparison AN4635 28/34 DocID027290 Rev 1 6.11 Voltage regulator settings Setting lower core voltage level is an easy and straightforward way to save energy. In Figure 12 it is demonstrated that even with HSI clock the run mode can be significantly more current-hungry just by changing the voltage. Note that the setting has little or no influence on idle mode. Figure 12. Comparison between voltage regulator settings Baud rate 57600 SW used Interrupt operation (Com IT) Table 13. Configurations - HSI vs. MSI (continued) Curve in Figure 11 Black Red Table 14. Configurations - Voltage regulator settings Curve in Figure 12 Red Black Green Idle mode between transmissions Sleep JTAG interface OFF Current average over phases 2, 3 and 4 70.31 µA 71.19 µA 71.84 µA Clock 4 MHz HSI Voltage regulator Range 3 Range 2 Range 1 AHB/APB ratio 1/1 |
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