Datasheet

Electrical characteristics STM32L052x6 STM32L052x8
72/143 DocID025936 Rev 8
t
WUSTOP
Wakeup from Stop mode, regulator in Run
mode
f
HCLK
= f
MSI
= 4.2 MHz 5.0 8
µs
f
HCLK
= f
HSI
= 16 MHz 4.9 7
f
HCLK
= f
HSI
/4 = 4 MHz 8.0 11
Wakeup from Stop mode, regulator in low-
power mode
f
HCLK
= f
MSI
= 4.2 MHz
Voltage range 1
5.0 8
f
HCLK
= f
MSI
= 4.2 MHz
Voltage range 2
5.0 8
f
HCLK
= f
MSI
= 4.2 MHz
Voltage range 3
5.0 8
f
HCLK
= f
MSI
= 2.1 MHz 7.3 13
f
HCLK
= f
MSI
= 1.05 MHz 13 23
f
HCLK
= f
MSI
= 524 kHz 28 38
f
HCLK
= f
MSI
= 262 kHz 51 65
f
HCLK
= f
MSI
= 131 kHz 100 120
f
HCLK
= MSI = 65 kHz 190 260
f
HCLK
= f
HSI
= 16 MHz 4.9 7
f
HCLK
= f
HSI
/4 = 4 MHz 8.0 11
Wakeup from Stop mode, regulator in low-
power mode, code running from RAM
f
HCLK
= f
HSI
= 16 MHz 4.9 7
f
HCLK
= f
HSI
/4 = 4 MHz 7.9 10
f
HCLK
= f
MSI
= 4.2 MHz 4.7 8
t
WUSTDBY
Wakeup from Standby mode, FWU bit = 1 f
HCLK
= MSI = 2.1 MHz 65 130 µs
Wakeup from Standby mode, FWU bit = 0 f
HCLK
= MSI = 2.1 MHz 2.2 3 ms
Table 41. Low-power mode wakeup timings (continued)
Symbol Parameter Conditions Typ Max Unit
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