Datasheet

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STM32F103xF, STM32F103xG Electrical characteristics
132
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 72 MHz)
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
TIM1 28,47
TIM8 24,31
TIM9 11,81
TIM10 8,47
TIM11 8,47
ADC1
(5)(6)
17,68
ADC2
(5)(6)
15,54
ADC3
(5)(6)
16,43
1. f
HCLK
= 72 MHz, f
APB1
= f
HCLK
/2, f
APB2
= f
HCLK
, 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 equal to 0.02 mA must be added.
4. When DAC_OU1 or DAC_OUT2 is enabled, a current consumption equal to 0.36 mA must be added.
5. Specific conditions for ADC: f
HCLK
= 56 MHz, f
APB1
= f
HCLK/2
, f
APB2
= f
HCLK
, f
ADCCLK
= f
APB2
/4/ When
ADON bit in the ADC_CR2 register is set to 1, a current consumption equal to 0.59 mA must be added.
6. When the ADC is enabled, a current consumption equal to 0.1 mA must be added.
Table 20. Peripheral current consumption
(1)
(continued)
Peripheral Current consumption
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