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STM32F427AI bảng dữ liệu(PDF) 99 Page - STMicroelectronics

tên linh kiện STM32F427AI
Giải thích chi tiết về linh kiện  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F427AI bảng dữ liệu(HTML) 99 Page - STMicroelectronics

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STM32F427xx STM32F429xx
Electrical characteristics
192
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 18: 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 4 MHz and PLL is ON when fHCLK is higher than 25 MHz.
•
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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