STM32L162VC datasheet(66/123 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L162VC, STM32L162RC

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DocID022881 Rev 10

6.3.5

Wakeup time from low-power mode

The wakeup times given in the following table are measured with the MSI RC oscillator. The

clock source used to wake up the device depends on the current operating mode:

•

Sleep mode: the clock source is the clock that was set before entering Sleep mode

•

Stop mode: the clock source is the MSI oscillator in the range configured before

entering Stop mode

•

Standby mode: the clock source is the MSI oscillator running at 2.1 MHz

All timings are derived from tests performed under the conditions summarized in Table 14.

2. HSI oscillator is OFF for this measure.

3. In Low-power sleep and run mode, the Flash memory must always be in power-down mode.

4. Data based on a differential IDD measurement between ADC in reset configuration and continuous ADC

conversion (HSI consumption not included).

5. Data based on a differential IDD measurement between DAC in reset configuration and continuous DAC

conversion of VDD/2. DAC is in buffered mode, output is left floating.

6. Including supply current of internal reference voltage.

Table 26. Low-power mode wakeup timings

Symbol

Parameter

Conditions

Typ

Max(1) Unit

tWUSLEEP

Wakeup from Sleep mode

fHCLK = 32 MHz

0.4

µs

tWUSLEEP_LP

Wakeup from Low-power sleep

mode, fHCLK = 262 kHz

fHCLK = 262 kHz

Flash enabled

fHCLK = 262 kHz

Flash switched OFF

tWUSTOP

Wakeup from Stop mode,

regulator in Run mode

ULP bit = 1 and FWU bit = 1

fHCLK = fMSI = 4.2 MHz

8.2

Wakeup from Stop mode,

regulator in low-power mode

ULP bit = 1 and FWU bit = 1

fHCLK = fMSI = 4.2 MHz

Voltage range 1 and 2

7.7

8.9

fHCLK = fMSI = 4.2 MHz

Voltage range 3

8.2

13.1

fHCLK = fMSI = 2.1 MHz

10.2

13.4

fHCLK = fMSI = 1.05 MHz

fHCLK = fMSI = 524 kHz

fHCLK = fMSI = 262 kHz

fHCLK = fMSI = 131 kHz

112

123

fHCLK = MSI = 65 kHz

221

236

tWUSTDBY

Wakeup from Standby mode

ULP bit = 1 and FWU bit = 1

fHCLK = MSI = 2.1 MHz

104

Wakeup from Standby mode

FWU bit = 0

fHCLK = MSI = 2.1 MHz

2.6

3.25

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