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STM32F427AI 数据表(PDF) 134 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) 134 Page - STMicroelectronics

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Electrical characteristics
STM32F427xx STM32F429xx
134/238
DocID024030 Rev 9
6.3.17
I/O port characteristics
General input/output characteristics
Unless otherwise specified, the parameters given in Table 56: I/O static characteristics are
derived from tests performed under the conditions summarized in Table 17. All I/Os are
CMOS and TTL compliant.
Table 56. I/O static characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIL
FT, TTa and NRST I/O input
low level voltage
1.7 V≤VDD≤3.6 V
-
-
0.35VDD − 0.04
(1)
V
0.3VDD(2)
BOOT0 I/O input low level
voltage
1.75 V≤VDD ≤3.6 V, –
40 °C≤TA ≤105 °C
--
0.1VDD+0.1(1)
1.7 V≤VDD ≤3.6 V,
0°C≤TA ≤105 °C
--
VIH
FT, TTa and NRST I/O input
high level voltage(5)
1.7 V≤VDD≤3.6 V
0.45VDD+0.3(1)
--
V
0.7VDD(2)
BOOT0 I/O input high level
voltage
1.75 V≤VDD ≤3.6 V, –
40 °C≤TA ≤105 °C
0.17VDD+0.7(1)
--
1.7 V≤VDD ≤3.6 V,
0°C≤TA ≤105 °C
VHYS
FT, TTa and NRST I/O input
hysteresis
1.7 V≤VDD≤3.6 V
10%VDD(3)
--
V
BOOT0 I/O input hysteresis
1.75 V≤VDD ≤3.6 V, –
40 °C≤TA ≤105 °C
0.1
-
-
1.7 V≤VDD ≤3.6 V,
0°C≤TA ≤105 °C
Ilkg
I/O input leakage current (4)
VSS ≤VIN ≤VDD
--
±1
µA
I/O FT input leakage current (5)
VIN = 5V
-
-
3



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