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STM32L552CEU6PTR 数据表(PDF) 152 Page - STMicroelectronics |
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STM32L552CEU6PTR 数据表(HTML) 152 Page - STMicroelectronics |
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152 / 340 page  Electrical characteristics STM32L552xx 152/340 DS12737 Rev 6 5.3.6 Supply current characteristics The current consumption is a function of several parameters and factors such as the operating voltage, ambient temperature, I/O pin loading, device software configuration, operating frequencies, I/O pin switching rate, program location in memory and executed binary code The current consumption is measured as described in Section 5.1.7: Current consumption measurement. Typical and maximum current consumption The MCU is placed under the following conditions: • All I/O pins are in analog input mode • All peripherals are disabled except when explicitly mentioned • The Flash memory access time is adjusted with the minimum wait states number, depending on the fHCLK frequency (refer to the table “Number of wait states according to CPU clock (HCLK) frequency” available in the RM0438 reference manual). • When the peripherals are enabled fPCLK = fHCLK • The voltage scaling range is adjusted to fHCLK frequency as follows: – Voltage Range 0 for 80 MHz < fHCLK <= 110 MHz – Voltage Range 1 for 26 MHz < fHCLK <= 80 MHz – Voltage Range 2 for fHCLK <= 26 MHz The parameters given in Table 33 to Table 81 are derived from tests performed under ambient temperature and supply voltage conditions summarized in Table 27: General operating conditions. |
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