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STM32F102X4 数据表(PDF) 37 Page - STMicroelectronics |
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STM32F102X4 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 69 page  STM32F102x4, STM32F102x6 Electrical characteristics Doc ID 15057 Rev 3 37/69 On-chip peripheral current consumption The current consumption of the on-chip peripherals is given in Table 18. 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 0.6 mA TIM3 0.6 USART2 0.21 USB 0.65 I2C 0.18 APB2 GPIO A 0.21 GPIO B 0.21 GPIO C 0.21 GPIO D 0.21 ADC(2) 2. Specific conditions for ADC: fHCLK = 48 MHz, fAPB1 = fHCLK/2, fAPB2 = fHCLK, fADCCLK = fAPB2/4, ADON bit in the ADC_CR2 register is set to 1. 1.4 SPI 0.24 USART 0.35 |
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