STM32F215RGH7TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F215RGH7TR

ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM, crypto, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

STM32F21xxx

Electrical characteristics

5.3.2

Figure 18. Number of wait states versus fCPU and VDD range

Wait states vs Fcpu and VDD range

8

7

6

5

1.8 to 2.1V

2.1 to 2.4V

4

2.4 to 2.7V

2.7 to 3.6V

3

2

1

0

Fcpu (MHz)

ai18748b

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 13.

Figure 19. External capacitor CEXT

C

ESR

R Leak

1. Legend: ESR is the equivalent series resistance.

Table 13. VCAP1/VCAP2 operating conditions(1)

Symbol

Parameter

MS19044V1

Conditions

CEXT

Capacitance of external capacitor

2.2 µF

ESR

ESR of external capacitor

<2Ω

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.

Doc ID 17050 Rev 8

65/173

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