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STM32F050C4 Datasheet(PDF) 59 Page - STMicroelectronics

Part # STM32F050C4
Description  Low- and medium-density advanced ARM-based 32-bit MCU with up to 32 Kbytes Flash, timers, ADC and comm. interfaces
PDF  97 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F050C4 Datasheet(HTML) 59 Page - STMicroelectronics

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STM32F050xx
Electrical characteristics
Doc ID 023683 Rev 1
59/97
Low-speed internal (LSI) RC oscillator
Wakeup time from low-power mode
The wakeup times given in Table 36 is measured on a wakeup phase with a 8-MHz HSI RC
oscillator. The event used to wake up the device depends from the current operating mode:
●
Stop or sleep mode: the wakeup event is WFE.
●
The wakeup pin used in sleep, stop and standby modes is PA0.
All timings are derived from tests performed under ambient temperature and VDD supply
voltage conditions summarized in Table 15: General operating conditions.
Table 35.
LSI oscillator characteristics(1)
1.
VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified.
Symbol
Parameter
Min
Typ
Max
Unit
fLSI
Frequency
30
40
50
kHz
tsu(LSI)
(2)
2.
Guaranteed by design, not tested in production.
LSI oscillator startup time
-
-
85
µs
IDDA(LSI)
(2)
LSI oscillator power consumption
-
0.75
1.2
µA
Table 36.
Low-power mode wakeup timings
Symbol
Parameter
Conditions
Typ @VDD
Max Unit
= 2.0 V
= 2.4 V
= 2.7 V
= 3 V
= 3.3 V
tWUSTOP
Wakeup from Stop
mode
Regulator in run
mode
4.24.2
4.24.2
4.2
5
µs
Regulator in low
power mode
8.05
7.05
6.6
6.27
6.05
9
tWUSTANDBY Wakeup from
Standby mode
60.35
55.6
53.5
52.02
50.96
tWUSLEEP
Wakeup from Sleep
mode
1.11.1
1.11.1
1.1



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