STM32F100XC datasheet(49/106 Pages) STMICROELECTRONICS

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STM32F100xC, STM32F100xD, STM32F100xE

Electrical characteristics

105

5.3.6

External clock source characteristics

High-speed external user clock generated from an external source

The characteristics given in Table 20 result from tests performed using an high-speed

external clock source, and under the ambient temperature and supply voltage conditions

summarized in Table 9.

APB2 (up to 24 MHz)

APB2-Bridge

4.17

µA/MHz

GPIOA

6.67

GPIOB

6.25

GPIOC

6.67

GPIOD

6.67

GPIOE

6.67

GPIOF

5.42

GPIOG

6.67

SPI1

4.17

USART1

12.08

TIM1

22.08

TIM15

14.17

TIM16

10.00

TIM17

10.00

ADC1(3)

15.83

The BusMatrix is automatically active when at least one master is ON.(CPU, DMA1 or DMA2).

2. When DAC_OUT1 or DAC_OUT2 is enabled, there is an additional current consumption equal to 0,42 mA

3. Specific conditions for measuring ADC current consumption: fHCLK = 24 MHz, fAPB1 = fHCLK, fAPB2 = fHCLK,

fADCCLK = fAPB2/2. When ADON bit in the ADC_CR2 register is set to 1, a current consumption of analog

part equal to 0.82 mA must be added.

Table 19. Peripheral current consumption (continued)

Peripheral

Typical consumption at 25 °C

Unit

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