MM32F103CET datasheet(50/89 Pages) MINDMOTION

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DS_MM32F103xx_o_Ver1.13

Electrical characteristics

• Ambient operating temperature and supply voltage conditions VDD summarized in Ta-

ble 10.

Table 17. On-chip peripheral current consumption(1)

Peripheral

Typical

consumption

at 25 ◦C

Unit

Peripheral

Typical

consumption

at 25 ◦C

Unit

APB1

TIM2

0.098

APB2

GPIOA

0.045

TIM3

0.062

GPIOB

0.046

APB1

TIM4

0.055

APB2

GPIOC

0.052

SPI2

0.133

GPIOD

0.046

UART2

0.077

ADC1

0.051

UART3

0.078

ADC2

0.052

I2C1

0.132

TIM1

0.121

I2C2

0.134

SPI1

0.122

USB

0.058

UART1

0.078

CAN

0.033

1. fHCLK = 96MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, the prescale coefficient for each device

is the default value.

5.3.6

External clock source characteristics

High-speed external user clock generated from an external source

The characteristic parameters given in the following table are measured using a high-

speed external clock source, ambient temperature and power supply voltage meet the

conditions of General operating conditions.

Table 18. High-speed external user clock characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSE_ext

User external clock source

frequency(1)

MHz

VHSEH

OSC_IN input pin high level

voltage

0.7VDD

VDD

VHSEL

OSC_IN input pin low level

voltage

VSS

0.3VDD

tw(HSE)

OSC_IN high or low time(1)

tr(HSE)

tf(HSE)

OSC_IN rise or fall time(1)

Cin(HSE)

OSC_IN input capacitance(1)

DuCy(HSE)

Duty cycle

OSC_IN input leakage current

VSS ≤ VIN ≤ VDD

±1

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