Datasheet

STM32F103xF, STM32F103xG Electrical characteristics
Doc ID 16554 Rev 3 53/120
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
GPIOA 0.55
mA
GPIOB 0.55
GPIOC 0.55
GPIOD 0.6
GPIOE 0.6
GPIOF 0.55
GPIOG 0.55
TIM1 1.95
TIM8 1.9
TIM9 1
TIM10 0.8
TIM11 0.8
ADC1
(3)
1.85
ADC2
(3)
1.8
ADC3
(3)
1.8
SPI1 0.45
USART1 0.8
1. f
HCLK
= 72 MHz, f
APB1
= f
HCLK
/2, f
APB2
= f
HCLK
, default prescaler value for each peripheral.
2. Specific conditions for DAC: EN1, EN2 bits in the DAC_CR register are set to 1 and the converted value
set to 0x800.
3. Specific conditions for ADC: f
HCLK
= 56 MHz, f
APB1
= f
HCLK/2
, f
APB2
= f
HCLK
, f
ADCCLK
= f
APB2
/4, ADON bit
in the ADC_CR2 register is set to 1.
Table 20. Peripheral current consumption
(1)
(continued)
Peripheral Typical consumption at 25 °C
Unit