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STM32F401CB 数据表(PDF) 75 Page - STMicroelectronics

部件名 STM32F401CB
功能描述  Up to 81 I/O ports with interrupt capability
PDF  134 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F401CB 数据表(HTML) 75 Page - STMicroelectronics

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STM32F401xB STM32F401xC
Electrical characteristics
113
Figure 22. High-speed external clock source AC timing diagram
Table 36. 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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