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STM32F411RET6 bảng dữ liệu(PDF) 99 Page - STMicroelectronics |
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STM32F411RET6 bảng dữ liệu(HTML) 99 Page - STMicroelectronics |
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99 / 149 page ![]() DocID026289 Rev 6 99/149 STM32F411xC STM32F411xE Electrical characteristics 123 Figure 30. FT/TC I/O input characteristics Output driving current The GPIOs (general purpose input/outputs) can sink or source up to ±8 mA, and sink or source up to ±20 mA (with a relaxed VOL/VOH) except PC13, PC14 and PC15 which can sink or source up to ±3mA. When using the PC13 to PC15 GPIOs in output mode, the speed should not exceed 2 MHz with a maximum load of 30 pF. 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. In particular: • 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 ΣIVDD (see Table 12). • 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 ΣIVSS (see Table 12). |
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