Datasheet

Electrical characteristics STM32L476xx
152/270 DS10198 Rev 8
t
WUSTOP1
Wake up time from Stop 1
mode to Run mode in Flash
Range 1
Wakeup clock MSI = 48 MHz 6.2 10.2
µs
Wakeup clock HSI16 = 16 MHz 6.3 8.99
Range 2
Wakeup clock MSI = 24 MHz 6.3 10.46
Wakeup clock HSI16 = 16 MHz 6.3 8.87
Wakeup clock MSI = 4 MHz 8.0 13.23
Wake up time from Stop 1
mode to Run mode in
SRAM1
Range 1
Wakeup clock MSI = 48 MHz 4.5 5.78
Wakeup clock HSI16 = 16 MHz 5.5 7.1
Range 2
Wakeup clock MSI = 24 MHz 5.0 6.5
Wakeup clock HSI16 = 16 MHz 5.5 7.1
Wakeup clock MSI = 4 MHz 8.2 13.5
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
12.7 20
Wake up time from Stop 1
mode to Low-power run
mode in SRAM1
10.7 21.5
t
WUSTOP2
Wake up time from Stop 2
mode to Run mode in Flash
Range 1
Wakeup clock MSI = 48 MHz 8.0 9.4
µs
Wakeup clock HSI16 = 16 MHz 7.3 9.3
Range 2
Wakeup clock MSI = 24 MHz 8.2 9.9
Wakeup clock HSI16 = 16 MHz 7.3 9.3
Wakeup clock MSI = 4 MHz 10.6 15.8
Wake up time from Stop 2
mode to Run mode in
SRAM1
Range 1
Wakeup clock MSI = 48 MHz 5.1 6.7
Wakeup clock HSI16 = 16 MHz 5.7 8
Range 2
Wakeup clock MSI = 24 MHz 5.5 6.65
Wakeup clock HSI16 = 16 MHz 5.7 7.53
Wakeup clock MSI = 4 MHz 8.2 16.6
t
WUSTBY
Wakeup time from Standby
mode to Run mode
Range 1
Wakeup clock MSI = 8 MHz 14.3 20.8
µs
Wakeup clock MSI = 4 MHz 20.1 35.5
t
WUSTBY
SRAM2
Wakeup time from Standby
with SRAM2 to Run mode
Range 1
Wakeup clock MSI = 8 MHz 14.3 24.3
µs
Wakeup clock MSI = 4 MHz 20.1 38.5
t
WUSHDN
Wakeup time from
Shutdown mode to Run
mode
Range 1 Wakeup clock MSI = 4 MHz 256 330.6 µs
1. Guaranteed by characterization results.
Table 52. Low-power mode wakeup timings
(1)
(continued)
Symbol Parameter Conditions Typ Max Unit
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