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STM32F401CD 数据表(PDF) 74 Page - STMicroelectronics |
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STM32F401CD 数据表(HTML) 74 Page - STMicroelectronics |
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74 / 135 page  Electrical characteristics STM32F401xD STM32F401xE 74/135 On-chip peripheral current consumption The MCU is placed under the following conditions: • At startup, all I/O pins are in analog input configuration. • All peripherals are disabled unless otherwise mentioned. • The ART accelerator is ON. • Voltage Scale 2 mode selected, internal digital voltage V12 = 1.26 V. • HCLK is the system clock at 84 MHz. fPCLK1 = fHCLK/2, and fPCLK2 = fHCLK. The given value is calculated by measuring the difference of current consumption – with all peripherals clocked off – with only one peripheral clocked on • Ambient operating temperature is 25 °C and VDD=3.3 V. Table 33. Peripheral current consumption Peripheral IDD (typ) Unit AHB1 (up to 84MHz) GPIOA 1.55 µA/MHz GPIOB 1.55 GPIOC 1.55 GPIOD 1.55 GPIOE 1.55 GPIOH 1.55 CRC 0.36 DMA1 20.24 DMA2 21.07 APB1 (up to 42MHz) TIM2 11.19 µA/MHz TIM3 8.57 TIM4 8.33 TIM5 11.19 PWR 0.71 USART2 3.33 I2C1/2/3 3.10 SPI2(1) 2.62 SPI3(1) 2.86 I2S2 1.90 I2S3 1.67 WWDG 0.71 AHB2 (up to 84MHz) OTG_FS 23.93 µA/MHz |
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