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STM32F756VG bảng dữ liệu(PDF) 117 Page - STMicroelectronics

tên linh kiện STM32F756VG
Giải thích chi tiết về linh kiện  Up to 25 communication interfaces
PDF  228 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F756VG bảng dữ liệu(HTML) 117 Page - STMicroelectronics

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STM32F756xx
Electrical characteristics
196
pin circuitry and to charge/discharge the capacitive load (internal or external) connected to
the pin:
where
ISW is the current sunk by a switching I/O to charge/discharge the capacitive load
VDD is the MCU supply voltage
fSW is the I/O switching frequency
C is the total capacitance seen by the I/O pin: C = CINT+ CEXT
The test pin is configured in push-pull output mode and is toggled by software at a fixed
frequency.
ISW
VDD fSW C
×
×
=
Table 34. Switching output I/O current consumption(1)
Symbol
Parameter
Conditions
I/O toggling
frequency (fsw)
MHz
Typ
VDD = 3.3 V
Typ
VDD = 1.8 V
Unit
IDDIO
I/O switching
Current
CEXT = 0 pF
C = CINT + CS + CEXT
2
0.1
0.1
mA
8
0.4
0.2
25
1.1
0.7
50
2.4
1.3
60
3.1
1.6
84
4.3
2.4
90
4.9
2.6
100
5.4
2.8
108
5.6
-
CEXT = 10 pF
C = CINT + CS + CEXT
20.2
0.1
80.6
0.3
25
1.8
1.1
50
3.1
2.3
60
4.6
3.4
84
9.7
3.6
90
10.12
5.2
100
14.92
5.4
108
18.11
-



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