STM32F756VG datasheet(118/228 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F756xx

118/228

DocID027589 Rev 4

On-chip peripheral current consumption

The MCU is placed under the following conditions:

•

At startup, all I/O pins are in analog input configuration.

•

All peripherals are disabled unless otherwise mentioned.

•

I/O compensation cell enabled.

•

The ART/L1-cache is ON.

•

Scale 1 mode selected, internal digital voltage V12 = 1.32 V.

•

HCLK is the system clock. fPCLK1 = fHCLK/4, and fPCLK2 = fHCLK/2.

The given value is calculated by measuring the difference of current consumption

–

with all peripherals clocked off

–

with only one peripheral clocked on

–fHCLK = 216 MHz (Scale 1 + over-drive ON), fHCLK = 168 MHz (Scale 2),

fHCLK = 144 MHz (Scale 3)

•

Ambient operating temperature is 25 °C and VDD=3.3 V.

IDDIO

I/O switching

Current

CEXT = 22 pF

C = CINT + CS + CEXT

20.3

0.1

81.0

0.5

3.5

1.6

5.9

4.2

10.0

4.4

19.12

5.8

19.6

CEXT = 33 pF

C = CINT + CS + CEXT

20.3

0.2

81.3

0.7

3.5

2.3

10.26

5.19

16.53

1. CINT + CS, PCB board capacitance including the pad pin is estimated to15 pF.

Table 34. Switching output I/O current consumption(1) (continued)

Symbol

Parameter

Conditions

I/O toggling

frequency (fsw)

MHz

Typ

VDD = 3.3 V

Typ

VDD = 1.8 V

Unit

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