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STM32F207IE 数据表(PDF) 78 Page - STMicroelectronics |
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STM32F207IE 数据表(HTML) 78 Page - STMicroelectronics |
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78 / 177 page  Electrical characteristics STM32F20xxx 78/177 Doc ID 15818 Rev 9 ● At startup, all I/O pins are configured as analog inputs by firmware. ● All peripherals are disabled unless otherwise mentioned ● The given value is calculated by measuring the current consumption – with all peripherals clocked off – with one peripheral clocked on (with only the clock applied) ● The code is running from Flash memory and the Flash memory access time is equal to 3 wait states at 120 MHz ● Prefetch and Cache ON ● When the peripherals are enabled, HCLK = 120MHz, fPCLK1 = fHCLK/4, and fPCLK2 = fHCLK/2 ● The typical values are obtained for VDD = 3.3 V and TA= 25 °C, unless otherwise specified. Table 24. Peripheral current consumption Peripheral(1) Typical consumption at 25 °C Unit AHB1 GPIO A 0.45 mA GPIO B 0.43 GPIO C 0.46 GPIO D 0.44 GPIO E 0.44 GPIO F 0.42 GPIO G 0.44 GPIO H 0.42 GPIO I 0.43 OTG_HS + ULPI 3.64 CRC 1.17 BKPSRAM 0.21 DMA1 2.76 DMA2 2.85 ETH_MAC + ETH_MAC_TX ETH_MAC_RX ETH_MAC_PTP 2.99 AHB2 OTG_FS 3.16 DCMI 0.60 AHB3 FSMC 1.74 |
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