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STM32F215VG датащи(PDF) 98 Page - STMicroelectronics

номер детали STM32F215VG
подробное описание детали  ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM
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производитель  STMICROELECTRONICS [STMicroelectronics]
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STM32F215VG датащи(HTML) 98 Page - STMicroelectronics

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Electrical characteristics
STM32F21xxx
98/173
Doc ID 17050 Rev 8
Figure 35.
I/O AC characteristics definition
11
Fmax(IO)out Maximum frequency
(3)
CL = 30 pF, VDD > 2.70 V
-
-
100(4)
MHz
CL = 30 pF, VDD > 1.8 V
-
-
50(4)
CL = 10 pF, VDD > 2.70 V
-
-
200(4)
CL = 10 pF, VDD > 1.8 V
-
-
TBD
tf(IO)out
Output high to low level fall
time
CL = 20 pF, 2.4 < VDD < 2.7 V
-
-
TBD
ns
CL = 10 pF, VDD > 2.7 V
-
-
TBD
tr(IO)out
Output low to high level rise
time
CL = 20 pF, 2.4 < VDD < 2.7 V
-
-
TBD
CL = 10 pF, VDD > 2.7 V
-
-
TBD
-tEXTIpw
Pulse width of external signals
detected by the EXTI
controller
10
-
-
ns
1.
The I/O speed is configured using the OSPEEDRy[1:0] bits. Refer to the STM32F20/21xxx reference manual for a
description of the GPIOx_SPEEDR GPIO port output speed register.
2.
TBD stands for “to be defined”.
3.
The maximum frequency is defined in Figure 35.
4.
For maximum frequencies above 50 MHz, the compensation cell should be used.
Table 45.
I/O AC characteristics(1)(2) (continued)
OSPEEDRy
[1:0] bit
value(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
ai14131
10%
90%
50%
tr(IO)out
OUTPUT
EXT ERNAL
ON 50pF
Maximum fr equency is achieved if (tr + tf) 2/3)T and if the duty cycle is (45-55%)
10%
50%
90%
when loaded by 50pF
T
tr(IO)out



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