STM32F407VET7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32F407VET7

ARM Cortex-M4 32b MCU+FPU, 210DMIPS, up to 1MB Flash/192+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera

STMicroelectronics 

STM32F405xx, STM32F407xx

Electrical characteristics

Note:

Symbol

Table 32. LSE oscillator characteristics (fLSE = 32.768 kHz) (1)

Parameter

Conditions

Min Typ Max Unit

RF Feedback resistor

-

18.4 -

MΩ

IDD LSE current consumption

-

-

1

µA

gm Oscillator Transconductance

tSU(LSE)(2) startup time

2.8

-

VDD is stabilized

-

2

- µA/V

-

s

1. Guaranteed by design, not tested in production.

2. t3S2U.(7L6S8E)kiHs zthoessctilalarttuiopntiims reemacehaesdu.rTedhisfrovmalutheeismmoemaesnutreitdisfoernaabslteadnd(bayrdscorfytwstaarler)etsooanasttoarbailinzdedit can vary

significantly with the crystal manufacturer

For information on electing the crystal, refer to the application note AN2867 “Oscillator

design guide for ST microcontrollers” available from the ST website www.st.com.

Figure 33. Typical application with a 32.768 kHz crystal

5.3.9

Resonator with

integrated capacitors

CL1

32.768 kH z

resonator

CL2

OSC32_IN

RF

OSC32_OU T

Bias

controlled

gain

fLSE

STM32F

ai17531

Internal clock source characteristics

The parameters given in Table 33 and Table 34 are derived from tests performed under

ambient temperature and VDD supply voltage conditions summarized in Table 14.

High-speed internal (HSI) RC oscillator

Table 33. HSI oscillator characteristics (1)

Symbol

Parameter

Conditions

Min Typ Max Unit

fHSI

Frequency

User-trimmed with the RCC_CR

register

-

16

- MHz

-

-

1

%

ACCHSI

Accuracy of the HSI

oscillator

Factory-

calibrated

tsu(HSI)(3)

HSI oscillator

startup time

1TA05=°–C4(20) to

–8

-

4.5 %

TA = –10 to 85 °C(2) –4

-

4

%

TA = 25 °C

–1

-

1

%

-

2.2 4

µs

IDD(HSI)

HSI oscillator

power consumption

-

60 80 µA

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