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STM32F101RF Datasheet(PDF) 50 Page - STMicroelectronics

Part # STM32F101RF
Description  XL-density access line, ARM-based 32-bit MCU with 768 KB to 1 MB Flash, 15 timers, 1 ADC and 10 communication interfaces
PDF  108 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F101RF Datasheet(HTML) 50 Page - STMicroelectronics

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Electrical characteristics
STM32F101xF, STM32F101xG
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Doc ID 17143 Rev 2
Low-speed external user clock generated from an external source
The characteristics given in Table 22 result from tests performed using an low-speed
external clock source, and under ambient temperature and supply voltage conditions
summarized in Table 10.
Table 21.
High-speed external user clock characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fHSE_ext
User external clock source
frequency(1)
1.
Guaranteed by design, not tested in production
18
25
MHz
VHSEH
OSC_IN input pin high level
voltage
0.7VDD
VDD
V
VHSEL
OSC_IN input pin low level
voltage
VSS
0.3VDD
tw(HSE)
tw(HSE)
OSC_IN high or low time(1)
16
ns
tr(HSE)
tf(HSE)
OSC_IN rise or fall time(1)
20
Cin(HSE)
OSC_IN input capacitance(1)
5pF
DuCy(HSE) Duty cycle
45
55
%
IL
OSC_IN Input leakage current
VSS  VIN  VDD
±1
µA
Table 22.
Low-speed user external clock characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fLSE_ext
User external clock source
frequency(1)
1.
Guaranteed by design, not tested in production.
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)
tw(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)
5pF
DuCy(LSE) Duty cycle
30
70
%
IL
OSC32_IN Input leakage
current
VSS  VIN  VDD
±1
µA



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