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STM32H747AI 数据表(PDF) 110 Page - STMicroelectronics |
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STM32H747AI 数据表(HTML) 110 Page - STMicroelectronics |
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110 / 252 page  Electrical characteristics STM32H747xI/G 100/242 DS12930 Rev 1 6.3 Operating conditions 6.3.1 General operating conditions Table 22. General operating conditions Symbol Parameter Operating conditions Min Typ Max Unit VDD Standard operating voltage - 1.62(1) - 3.6 V VDDLDO Supply voltage for the internal regulator VDDLDO ≤ VDD 1.62(1) -3.6 V 1.2(2) -3.6 VDDSMPS Supply voltage for the internal SMPS Step-down converter VDDSMPS = VDD 1.62(1) -3.6 V VDD33USB Standard operating voltage, USB domain USB used 3.0 - 3.6 V USB not used 0 - 3.6 VDDA Analog operating voltage ADC or COMP used 1.62 - 3.6 DAC used 1.8 - OPAMP used 2.0 - VREFBUF used 1.8 - ADC, DAC, OPAMP, COMP, VREFBUF not used 0- VIN I/O Input voltage TT_xx I/O −0.3 - VDD+0.3 BOOT0 0 - 9 All I/O except BOOT0 and TT_xx −0.3 - Min(VDD, VDDA, VDD33USB) +3.6V < 5.5V(3)(4) |
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