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STM32F207IE 数据表(PDF) 72 Page - STMicroelectronics

部件名 STM32F207IE
功能描述  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
PDF  178 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F207IE 数据表(HTML) 72 Page - STMicroelectronics

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Electrical characteristics
STM32F20xxx
72/178
DocID15818 Rev 11
Figure 21. Number of wait states versus fCPU and VDD range
1. The supply voltage can drop to 1.7 V when the device operates in the 0 to 70 °C temperature range and
IRROFF is set to VDD.
6.3.2
VCAP1/VCAP2 external capacitor
Stabilization for the main regulator is achieved by connecting an external capacitor to the
VCAP1/VCAP2 pins. CEXT is specified in Table 16.
Figure 22. External capacitor CEXT
1. Legend: ESR is the equivalent series resistance.
ai18748b
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
Table 16. VCAP1/VCAP2 operating conditions(1)
Symbol
Parameter
Conditions
CEXT
Capacitance of external capacitor
2.2 µF
ESR
ESR of external capacitor
< 2
Ω
MS19044V2
ESR
R Leak
C



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