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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F372CC датащи(PDF) 84 Page - STMicroelectronics |
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STM32F372CC датащи(HTML) 84 Page - STMicroelectronics |
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84 / 128 page  Electrical characteristics STM32F37x 84/128 Doc ID 022691 Rev 3 Figure 19. Five volt tolerant (FT and FTf) I/O input characteristics - CMOS port Figure 20. Five volt tolerant (FT and FTf) I/O input characteristics - TTL port 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). 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 all VDD_x and VDDSDx, plus the maximum Run consumption of the MCU sourced on VDD cannot exceed the absolute maximum rating IVDD( (see Table 20). ● The sum of the currents sunk by all the I/Os on all VSS_x and VSSSD, plus the maximum Run consumption of the MCU sunk on VSS cannot exceed the absolute maximum rating IVSS( (see Table 20). VDD (V) 2.0 0.5 VIL/VIH (V) 2.0 3.6 1.0 2.7 Area not determined VILmax = 0.475V DD -0.2 VIHmin = 0.5V DD +0.2 Based on design simulations Based on design simulations CMOS standard requirements VIHmin = 0.7V DD CMOS standard requirements VILmax = 0.3V DD VDD (V) 2.0 0.5 VIL/VIH (V) 2.0 3.6 1.0 2.7 Area not determined VILmax = 0.475V DD -0.2 VIHmin = 0.5V DD +0.2 Based on design simulations Based on design simulations TTL standard requirements VIHmin = 2 V TTL standard requirements VILmax = 0.8 V 0.8 |
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