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STM32F427AI 数据表(PDF) 107 Page - STMicroelectronics

部件名 STM32F427AI
功能描述  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
PDF  239 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F427AI 数据表(HTML) 107 Page - STMicroelectronics

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STM32F427xx STM32F429xx
Electrical characteristics
197
Additional current consumption
The MCU is placed under the following conditions:
•
All I/O pins are configured in analog mode.
•
The Flash memory access time is adjusted to fHCLK frequency.
•
The voltage scaling is 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.
•
HSE crystal clock frequency is 25 MHz.
•
When the regulator is OFF, V12 is provided externally as described in Table 17:
General operating conditions
•
TA= 25 °C .
Table 30. Typical current consumption in Run mode, code with data processing running from
Flash memory or RAM, regulator ON (ART accelerator enabled except prefetch),
VDD=1.7 V(1)
Symbol
Parameter
Conditions
fHCLK (MHz)
Typ
Unit
IDD
Supply current in
RUN mode from
VDD supply
All Peripheral
enabled
168
88.2
mA
150
74.3
144
71.3
120
52.9
90
42.6
60
28.6
30
15.7
25
12.3
All Peripheral
disabled
168
40.6
150
30.6
144
32.6
120
24.7
90
19.7
60
13.6
30
7.7
25
6.7
1. When peripherals are enabled, the power consumption corresponding to the analog part of the peripherls (such as ADC, or
DAC) is not included.



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