STM32F479AI datasheet(106/217 Pages) STMICROELECTRONICS

部件名	STM32F479AI

功能描述	ARMCortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/3844KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Crypto, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI

PDF	217 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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106 / 217 page

Electrical characteristics

STM32F479xx

106/217

DocID028010 Rev 3

Figure 27. Typical VBAT current consumption

(RTC ON / backup SRAM ON and LSE in Low drive mode)

Table 31. Typical and maximum current consumption in VBAT mode

Symbol

Parameter

Conditions(1)

Typ

Max(2)

Unit

TA = 25 °C

TA =

25 °C

TA =

85 °C

TA =

105 °C

VBAT =

1.7 V

VBAT=

2.4 V

VBAT =

3.3 V

VBAT = 3.3 V

IDD_VBAT

Backup

domain supply

current

Backup SRAM ON, RTC ON

and LSE oscillator in Low

Power mode

1.431

1.577

1.825

1.9

12.0

24.0

µA

Backup SRAM OFF, RTC ON

and LSE oscillator in Low

Power mode

0.720

0.849

1.060

1.1

7.0

13.9

Backup SRAM ON, RTC ON

and LSE oscillator in High

Drive mode

2.212

2.368

2.630

2.80

17.3

34.6

Backup SRAM OFF, RTC ON

and LSE oscillator in High

Drive mode

1.499

1.637

1.862

2.0

12.3

24.5

Backup SRAM ON, RTC and

LSE OFF

0.710

0.720

0.760

0.8(3)

5.0

10.0(3)

Backup SRAM OFF, RTC and

LSE OFF

0.018

0.020

0.024

0.2(3)

2.0

4.0(3)

1. Crystal used: Abracon ABS07-120-32.768 kHz-T with a CL of 6 pF for typical values.

2. Based on characterization, tested in production.

3. Based on test during characterization.

2040

6080

100

Temperature (°C)

1.65V

1.70V

1.80V

2.00V

2.40V

2.70V

3.00V

3.30V

3.60V

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