STM32F412XE datasheet(76/193 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F412xE/G

76/193

DocID028087 Rev 4

6.3

Operating conditions

6.3.1

General operating conditions

Table 15. General operating conditions

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHCLK

Internal AHB clock frequency

Power Scale3: Regulator ON,

VOS[1:0] bits in PWR_CR register = 0x01

MHz

Power Scale2: Regulator ON,

VOS[1:0] bits in PWR_CR register = 0x10

Power Scale1: Regulator ON,

VOS[1:0] bits in PWR_CR register = 0x11

100

fPCLK1

Internal APB1 clock

frequency

-0

MHz

fPCLK2

Internal APB2 clock

frequency

-0

100

MHz

VDD

Standard operating voltage

1.7(1)

-3.6

VDDA(2)(3)

Analog operating voltage

(ADC limited to 1.2 M

samples)

Must be the same potential as VDD(4)

1.7(1)

-2.4

Analog operating voltage

(ADC limited to 2.4 M

samples)

2.4

3.6

VDDUSB

USB supply voltage

(supply voltage for PA11 and

PA12 pins)

USB not used

1.7

3.3

3.6

USB used(5)

3.0

3.6

VBAT

Backup operating voltage

1.65

3.6

V12

Regulator ON: 1.2 V

internal voltage on

VCAP_1/VCAP_2 pins

VOS[1:0] bits in PWR_CR register = 0x01

Max frequency 64 MHz

1.08(6) 1.14 1.20(6)

VOS[1:0] bits in PWR_CR register = 0x10

Max frequency 84 MHz

1.20(6) 1.26 1.32(6)

VOS[1:0] bits in PWR_CR register = 0x11

Max frequency 100 MHz

1.26

1.32

1.38

V12

Regulator OFF: 1.2 V

external voltage must be

supplied on

VCAP_1/VCAP_2 pins

Max frequency 64 MHz

1.10

1.14

1.20

Max frequency 84 MHz

1.20

1.26

1.32

Max frequency 100 MHz

1.26

1.32

1.38

VIN

Input voltage on RST, FT and

TC pins(7)

2 V

≤ VDD ≤ 3.6 V

–0.3

5.5

VDD ≤ 2 V

–0.3

5.2

Input voltage on BOOT0 pin

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