STM32F207VC datasheet(66/177 Pages) STMICROELECTRONICS

部件名	STM32F207VC

功能描述	ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM

PDF	177 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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66 / 177 page

Electrical characteristics

STM32F20xxx

66/177

Doc ID 15818 Rev 9

Figure 19.

Number of wait states versus fCPU and VDD range

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.

5.3.2

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 14.

Figure 20.

External capacitor CEXT

Legend: ESR is the equivalent series resistance.

ai18748b

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 14.

VCAP1/VCAP2 operating conditions(1)

When bypassing the voltage regulator, the two 2.2 µF VCAP capacitors are not required and should be

replaced by two 100 nF decoupling capacitors.

Symbol

Parameter

Conditions

CEXT

Capacitance of external capacitor

2.2 µF

ESR

ESR of external capacitor

< 2

MS19044V1

ESR

R Leak

STM32F207VC 数据表(PDF) 66 Page - STMicroelectronics

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