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STM32L072KB 数据表(PDF) 62 Page - STMicroelectronics |
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STM32L072KB 数据表(HTML) 62 Page - STMicroelectronics |
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62 / 147 page  Electrical characteristics STM32L072xx 62/147 DocID027100 Rev 3 6.3 Operating conditions 6.3.1 General operating conditions Table 26. General operating conditions Symbol Parameter Conditions Min Max Unit fHCLK Internal AHB clock frequency - 0 32 MHz fPCLK1 Internal APB1 clock frequency - 0 32 fPCLK2 Internal APB2 clock frequency - 0 32 VDD Standard operating voltage BOR detector disabled 1.65 3.6 V BOR detector enabled, at power on 1.8 3.6 BOR detector disabled, after power on 1.65 3.6 VDDA Analog operating voltage (DAC not used) Must be the same voltage as VDD(1) 1.65 3.6 V VDDA Analog operating voltage (all features) Must be the same voltage as VDD(1) 1.8 3.6 V VDD_US B Standard operating voltage, USB domain(2) USB peripheral used 3.0 3.6 V USB peripheral not used 1.65 3.6 VIN Input voltage on FT, FTf and RST pins(3) 2.0 V VDD 3.6 V -0.3 5.5 V 1.65 V VDD 2.0 V -0.3 5.2 Input voltage on BOOT0 pin - 0 5.5 Input voltage on TC pin - -0.3 VDD+0.3 |
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