STM32F101XF datasheet(49/117 Pages) STMICROELECTRONICS

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STM32F101xF, STM32F101xG

Electrical characteristics

5.3.6

External clock source characteristics

High-speed external user clock generated from an external source

The characteristics given in Table 21 result from tests performed using an high-speed

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

summarized in Table 10.

APB2 (up to 36MHz)

APB2-Bridge

2.78

GPIOA

7.64

GPIOB

7.64

GPIOC

7.64

GPIOD

8.47

GPIOE

8.47

GPIOF

8.19

GPIOG

8.19

SPI1

5.14

USART1

16.67

TIM9

11.81

TIM10

8.47

TIM11

8.47

ADC1(5)(6)

17.68

1. fHCLK = 36 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, default prescaler value for each peripheral.

2. The BusMatrix is automatically active when at least one master peripheral is ON.

3. When the I2S is enabled. a current consumption of 0.02 mA must be added.

4. When DAC_OUT1 or DAC_OUT2 is enabled, a current consumption of 0.36 mA must be added.

5. Specific conditions for ADC: fHCLK = 28 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, fADCCLK = fAPB2/2. When

ADON bit in the ADC_CR2 register is set to 1, the current consumption is equal to 0.59 mA.

6. When the ADC is enabled, a current consumption of 0,1 mA must be added.

Table 20. Peripheral current consumption(1) (continued)

Peripherals

µA/MHz

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