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STM32F102X8 Datasheet(PDF) 53 Page - STMicroelectronics

No. de pieza STM32F102X8
Descripción Electrónicos  Medium-density USB access line,ARM-based 32b MCU with 64/128KB Flash,USB FS interface,6 timers, ADC&8 com. interfaces
PDF  76 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F102X8 Datasheet(HTML) 53 Page - STMicroelectronics

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STM32F102x8, STM32F102xB
Electrical characteristics
Doc ID 15056 Rev 4
53/76
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in Figure 24 and
Table 36, respectively.
Unless otherwise specified, the parameters given in Table 36 are derived from tests
performed under ambient temperature and VDD supply voltage conditions summarized in
Table 8.
Table 36.
I/O AC characteristics(1)
1.
The I/O speed is configured using the MODEx[1:0] bits. Refer to the STM32F10xxx reference manual for a
description of GPIO Port configuration register.
MODEx
[1:0] bit
value(1)
Symbol
Parameter
Conditions
Max
Unit
10
fmax(IO)out Maximum frequency
(2)
2.
The maximum frequency is defined in Figure 24.
CL = 50 pF, VDD = 2 V to 3.6 V
2
MHz
tf(IO)out
Output high to low level fall
time
CL = 50 pF, VDD = 2 V to 3.6 V
125(3)
3.
Guaranteed by design, not tested in production.
ns
tr(IO)out
Output low to high level rise
time
125(3)
01
fmax(IO)out Maximum frequency
(2)
CL= 50 pF, VDD = 2 V to 3.6 V
10
MHz
tf(IO)out
Output high to low level fall
time
CL= 50 pF, VDD = 2 V to 3.6 V
25(3)
ns
tr(IO)out
Output low to high level rise
time
25(3)
11
Fmax(IO)out Maximum Frequency
(2)
CL= 30 pF, VDD = 2.7 V to 3.6 V
50
MHz
CL = 50 pF, VDD = 2.7 V to 3.6 V
30
MHz
CL = 50 pF, VDD = 2 V to 2.7 V
20
MHz
tf(IO)out
Output high to low level fall
time
CL = 30 pF, VDD = 2.7 V to 3.6 V
5(3)
ns
CL = 50 pF, VDD = 2.7 V to 3.6 V
8(3)
CL = 50 pF, VDD = 2 V to 2.7 V
12(3)
tr(IO)out
Output low to high level rise
time
CL = 30 pF, VDD = 2.7 V to 3.6 V
5(3)
CL = 50 pF, VDD = 2.7 V to 3.6 V
8(3)
CL = 50 pF, VDD = 2 V to 2.7 V
12(3)
-tEXTIpw
Pulse width of external
signals detected by the
EXTI controller
10
ns



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