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STM32F446RC 数据表(PDF) 82 Page - STMicroelectronics |
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STM32F446RC 数据表(HTML) 82 Page - STMicroelectronics |
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82 / 201 page  Electrical characteristics STM32F446xC/E 82/201 DocID027107 Rev 5 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 if it is explicitly mentioned. • The Flash memory access time is adjusted both to fHCLK frequency and VDD range (see Table 17: Limitations depending on the operating power supply range). • Regulator ON • The voltage scaling and over-drive mode are adjusted to fHCLK frequency as follows: – Scale 3 for fHCLK ≤120 MHz – Scale 2 for 120 MHz < fHCLK ≤144 MHz – Scale 1 for 144 MHz < fHCLK ≤180 MHz. The over-drive is only ON at 180 MHz. • The system clock is HCLK, fPCLK1 = fHCLK/4, and fPCLK2 = fHCLK/2. • External clock frequency is 8 MHz and PLL is ON when fHCLK is higher than 16 MHz. • Flash is enabled except if explicitly mentioned as disable. • The maximum values are obtained for VDD = 3.6 V and a maximum ambient temperature (TA), and the typical values for TA= 25 °C and VDD = 3.3 V unless otherwise specified. |
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