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STM32F769AI 数据表(PDF) 141 Page - STMicroelectronics

部件名 STM32F769AI
功能描述  Dual mode Quad-SPI
PDF  255 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F769AI 数据表(HTML) 141 Page - STMicroelectronics

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STM32F765xx STM32F767xx STM32F768Ax STM32F769xx
Electrical characteristics
224
Figure 28. High-speed external clock source AC timing diagram
Table 42. Low-speed external user clock characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fLSE_ext
User External clock source
frequency(1)
-
-
32.768
1000
kHz
VLSEH
OSC32_IN input pin high level
voltage
0.7VDD
-VDD
V
VLSEL
OSC32_IN input pin low level voltage
VSS
-
0.3VDD
tw(LSE)
tf(LSE)
OSC32_IN high or low time(1)
450
-
-
ns
tr(LSE)
tf(LSE)
OSC32_IN rise or fall time(1)
--
50
Cin(LSE)
OSC32_IN input capacitance(1)
--
5
-
pF
DuCy(LSE) Duty cycle
-
30
-
70
%
IL
OSC32_IN Input leakage current
VSS ≤ VIN ≤ VDD
--
±1
μA
1. Guaranteed by design.



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