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STM32F207IE 数据表(PDF) 60 Page - STMicroelectronics |
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STM32F207IE 数据表(HTML) 60 Page - STMicroelectronics |
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60 / 163 page ![]() Electrical characteristics STM32F205xx, STM32F207xx 60/163 Doc ID 15818 Rev 7 Figure 19. Number of wait states versus fCPU and VDD range 1. The supply voltage can drop to 1.65 V when the device operates in a reduced temperature range. 5.3.2 VCAP1/VCAP2 external capacitor Stabilization for the main regulator is achieved by connecting an external capacitor CEXT to the VCAP1/VCAP2 pins. CEXT is specified in Table 10. Figure 20. External capacitor CEXT 1. Legend: ESR is the equivalent series resistance. 0 1 2 3 4 5 6 7 8 Fcpu (MHz) Wait states vs Fcpu and VDD range 1.8 to 2.1V 2.1 to 2.4V 2.4 to 2.7V 2.7 to 3.6V MS19044V1 ESR R Leak C |
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