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STM32F207IE 数据表(PDF) 104 Page - STMicroelectronics

部件名 STM32F207IE
功能描述  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
PDF  178 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F207IE 数据表(HTML) 104 Page - STMicroelectronics

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Electrical characteristics
STM32F20xxx
104/178
DocID15818 Rev 11
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in Figure 38 and
Table 48, respectively.
Unless otherwise specified, the parameters given in Table 48 are derived from tests
performed under the ambient temperature and VDD supply voltage conditions summarized
in Table 14.
Table 48. I/O AC characteristics(1)
OSPEEDRy
[1:0] bit
value(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
00
fmax(IO)out Maximum frequency(2)
CL = 50 pF, VDD > 2.70 V
-
-
4
MHz
CL = 50 pF, VDD > 1.8 V
-
-
2
CL = 10 pF, VDD > 2.70 V
-
-
8
CL = 10 pF, VDD > 1.8 V
-
-
4
tf(IO)out/
tr(IO)out
Output high to low level fall
time and output low to high
level rise time
CL = 50 pF, VDD = 1.8 V to
3.6 V
--
100
ns
01
fmax(IO)out Maximum frequency(2)
CL = 50 pF, VDD > 2.70 V
-
-
25
MHz
CL = 50 pF, VDD > 1.8 V
-
-
12.5
CL = 10 pF, VDD > 2.70 V
-
-
50(3)
CL = 10 pF, VDD > 1.8 V
-
-
20
tf(IO)out/
tr(IO)out
Output high to low level fall
time and output low to high
level rise time
CL = 50 pF, VDD >2.7 V
-
-
10
ns
CL = 50 pF, VDD > 1.8 V
-
-
20
CL = 10 pF, VDD > 2.70 V
-
-
6
CL = 10 pF, VDD > 1.8 V
-
-
10
10
fmax(IO)out Maximum frequency(2)
CL = 40 pF, VDD > 2.70 V
-
-
25
MHz
CL = 40 pF, VDD > 1.8 V
-
-
20
CL = 10 pF, VDD > 2.70 V
-
-
100(3)
CL = 10 pF, VDD > 1.8 V
-
-
50(3)
tf(IO)out/
tr(IO)out
Output high to low level fall
time and output low to high
level rise time
CL = 40 pF, VDD > 2.70 V
-
-
6
ns
CL = 40 pF, VDD > 1.8 V
-
-
10
CL = 10 pF, VDD > 2.70 V
-
4
CL = 10 pF, VDD > 1.8 V
-
6



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