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STM32F051K4 数据表(PDF) 45 Page - STMicroelectronics |
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STM32F051K4 数据表(HTML) 45 Page - STMicroelectronics |
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45 / 104 page ![]() Electrical characteristics STM32F051x 46/105 Doc ID 022265 Rev 3 Typical and maximum current consumption 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 except when explicitly mentioned ● The Flash memory access time is adjusted to the fHCLK frequency (0 wait state from 0 to 24 MHz and 1 wait state above 24 MHz) ● Prefetch is ON when the peripherals are enabled, otherwise it is OFF (to enable prefetch the PRFTBE bit in the FLASH_ACR register must be set before clock setting and bus prescaling) ● When the peripherals are enabled fPCLK = fHCLK The parameters given in Table 25 to Table 29 are derived from tests performed under ambient temperature and supply voltage conditions summarized in Table 20. |
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