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STM32F102XB датащи(PDF) 41 Page - STMicroelectronics

номер детали STM32F102XB
подробное описание детали  Medium-density USB access line, ARM-based 32b MCU with 64/128KB Flash, USB FS, 6 timers, ADC & 8 com. interfaces
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STM32F102XB датащи(HTML) 41 Page - STMicroelectronics

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STM32F102x8, STM32F102xB
Electrical characteristics
79
On-chip peripheral current consumption
The current consumption of the on-chip peripherals is given in Table 19. The MCU is placed
under the following conditions:
•
all I/O pins are in input mode with a static value at VDD or VSS (no load)
•
all peripherals are disabled unless otherwise mentioned
•
the given value is calculated by measuring the current consumption
–
with all peripherals clocked off
–
with only one peripheral clocked on
•
ambient operating temperature and VDD supply voltage conditions summarized in
Table 5.
Table 18. Peripheral current consumption
Peripheral
Typical consumption at 25 °C(1)
1.
fHCLK = 48 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, default prescaler value for each peripheral.
Unit
APB1
TIM2
0.90
mA
TIM3
0.86
TIM4
0.88
SPI2
0.26
USART2
0.45
USART3
0.43
USB
0.57
I2C1
0.24
I2C2
0.25
APB2
GPIO A
0.45
GPIO B
0.32
GPIO C
0.49
GPIO D
0.32
ADC1(2)
2. Specific conditions for ADC: fHCLK = 48 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, fADCCLK = fHCLK/4, ADON bit
in the ADC_CR2 register is set to 1.
1.51
SPI1
0.21
USART1
0.72



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