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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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STM32L021D4 Datenblatt(PDF) 76 Page - STMicroelectronics |
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STM32L021D4 Datenblatt(HTML) 76 Page - STMicroelectronics |
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76 / 114 page  Electrical characteristics STM32L021x4 76/114 DocID027982 Rev 5 Figure 22. VIH/VIL versus VDD (CMOS I/Os) Figure 23. VIH/VIL versus VDD (TTL I/Os) Output driving current The GPIOs (general purpose input/outputs) can sink or source up to ±8 mA, and sink or source up to ±15 mA with the non-standard VOL/VOH specifications given in Table 50. In the user application, the number of I/O pins which can drive current must be limited to respect the absolute maximum rating specified in Section 6.2: • The sum of the currents sourced by all the I/Os on VDD, plus the maximum Run consumption of the MCU sourced on VDD, cannot exceed the absolute maximum rating IVDD(Σ) (see Table 15). • The sum of the currents sunk by all the I/Os on VSS plus the maximum Run consumption of the MCU sunk on VSS cannot exceed the absolute maximum rating IVSS(Σ) (see Table 15). |
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