Datasheet

Electrical characteristics STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB
44/88 Doc ID 16455 Rev 7
5.3.6 External clock source characteristics
High-speed external user clock generated from an external source
The characteristics given in Tab l e 1 9 result from tests performed using an high-speed
external clock source, and under the ambient temperature and supply voltage conditions
summarized in Table 8.
Table 18. Peripheral current consumption
Peripheral Typical consumption at 25 °C
(1)
1. f
HCLK
= f
APB1
= f
APB2
= 24 MHz, default prescaler value for each peripheral.
Unit
APB1
TIM2 0.52
mA
TIM3 0.46
TIM4 0.5
TIM6 0.125
TIM7 0.19
DAC 0.5
(2)
2. Specific conditions for DAC: EN1 bit in DAC_CR register set to 1.
WWDG 0.13
SPI2 0.2
USART2 0.38
USART3 0.32
I2C1 0.27
I2C2 0.28
HDMI CEC 0.16
APB2
GPIO A 0.25
GPIO B 0.12
GPIO C 0.18
GPIO D 0.15
GPIO E 0.15
ADC1
(3)
3. Specific conditions for ADC: f
HCLK
= 24 MHz, f
APB1
= f
APB2
= f
HCLK
, f
ADCCLK
= f
APB2
/2, ADON bit in the
ADC_CR2 register is set to 1.
1.15
SPI1 0.12
USART1 0.27
TIM1 0.63
TIM15 0.33
TIM16 0.26
TIM17 0.25