STM32F401CB datasheet(59/134 Pages) STMICROELECTRONICS

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DocID024738 Rev 5

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STM32F401xB STM32F401xC

Electrical characteristics

113

6.3

Operating conditions

6.3.1

General operating conditions

Table 14. 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

fPCLK1 Internal APB1 clock frequency

fPCLK2 Internal APB2 clock frequency

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

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 60 MHz

1.08(5) 1.14 1.20(5)

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

Max frequency 84 MHz

1.20(5) 1.26 1.32(5)

V12

Regulator OFF: 1.2 V external

voltage must be supplied on

VCAP_1/VCAP_2 pins

Max. frequency 60 MHz.

1.1

1.14

1.2

Max. frequency 84 MHz.

1.2

1.26

1.32

VIN

Input voltage on RST and FT

pins(6)

≤ VDD ≤ 3.6 V

–0.3

5.5

VDD ≤ 2V

–0.3

5.2

Input voltage on BOOT0 pin

Maximum allowed package

power dissipation for suffix 6

and 7(7)

UFQFPN48

625

WLCSP49

385

LQFP64

313

LQFP100

465

UFBGA100

323

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