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Electrical characteristics STM32L452xx
122/210 DocID029968 Rev 3
t
WUSTOP0
Wake up time from Stop 0
mode to Run mode in
Flash
Range 1
Wakeup clock MSI = 48 MHz 3.34 4.3
µs
Wakeup clock HSI16 = 16 MHz 3.7 6.5
Range 2
Wakeup clock MSI = 24 MHz 3.8 7.1
Wakeup clock HSI16 = 16 MHz 3.7 6.5
Wakeup clock MSI = 4 MHz 9.3 7.1
Wake up time from Stop 0
mode to Run mode in
SRAM1
Range 1
Wakeup clock MSI = 48 MHz 1.85 2.7
Wakeup clock HSI16 = 16 MHz 2.68 3
Range 2
Wakeup clock MSI = 24 MHz 2.47 3.4
Wakeup clock HSI16 = 16 MHz 2.68 3
Wakeup clock MSI = 4 MHz 9.67 12.5
t
WUSTOP1
Wake up time from Stop 1
mode to Run in Flash
Range 1
Wakeup clock MSI = 48 MHz 6.75 7.6
µs
Wakeup clock HSI16 = 16 MHz 7.14 8
Range 2
Wakeup clock MSI = 24 MHz 7 7.82
Wakeup clock HSI16 = 16 MHz 7.14 7.9
Wakeup clock MSI = 4 MHz 10.44 11.9
Wake up time from Stop 1
mode to Run mode in
SRAM1
Range 1
Wakeup clock MSI = 48 MHz 5.21 5.9
Wakeup clock HSI16 = 16 MHz 6.23 6.9
Range 2
Wakeup clock MSI = 24 MHz 5.73 6.4
Wakeup clock HSI16 = 16 MHz 6.23 6.9
Wakeup clock MSI = 4 MHz 10.9 12.3
Wake up time from Stop 1
mode to Low-power run
mode in Flash
Regulator in
low-power
mode (LPR=1
in PWR_CR1)
Wakeup clock MSI = 2 MHz
16.05 19.2
Wake up time from Stop 1
mode to Low-power run
mode in SRAM1
17.06 20.3
Table 52. Low-power mode wakeup timings
(1)
(continued)
Symbol Parameter Conditions Typ Max Unit
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