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STM32F427NET7TR 数据表(PDF) 93 Page - STMicroelectronics |
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STM32F427NET7TR 数据表(HTML) 93 Page - STMicroelectronics |
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93 / 231 page ![]() DocID024030 Rev 6 93/231 STM32F427xx STM32F429xx Electrical characteristics 192 6.3 Operating conditions 6.3.1 General operating conditions Table 17. General operating conditions Symbol Parameter Conditions(1) Min Typ Max Unit fHCLK Internal AHB clock frequency Power Scale 3 (VOS[1:0] bits in PWR_CR register = 0x01), Regulator ON, over-drive OFF 0 - 120 MHz Power Scale 2 (VOS[1:0] bits in PWR_CR register = 0x10), Regulator ON Over- drive OFF 0 - 144 Over- drive ON - 168 Power Scale 1 (VOS[1:0] bits in PWR_CR register= 0x11), Regulator ON Over- drive OFF 0 - 168 Over- drive ON - 180 fPCLK1 Internal APB1 clock frequency Over-drive OFF 0 - 42 Over-drive ON 0 - 45 fPCLK2 Internal APB2 clock frequency Over-drive OFF 0 - 84 Over-drive ON 0 - 90 |
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