STM32F413CG datasheet(107/207 Pages) STMICROELECTRONICS

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STM32F413xG/H

Electrical characteristics

174

6.3.8

External clock source characteristics

High-speed external user clock generated from an external source

In bypass mode the HSE oscillator is switched off and the input pin is a standard I/O. The

external clock signal has to respect the Table 58. However, the recommended clock input

waveform is shown in Figure 27.

Table 39. Low-power mode wakeup timings(1)

Symbol

Parameter

Conditions

Min(1)

Typ(1)

Max(1)

Unit

tWUSLEEP

Wakeup from Sleep mode

clk

cycles

tWUSLEEPFDSM

Flash memory in Deep

power down mode

50.0

µs

tWUSTOP

Wakeup from STOP mode

Code execution on Flash

Main regulator

12.7

15.0

Main regulator, Flash

memory in Deep power

down mode

104.1

120.0

Wakeup from Stop mode,

regulator in low power

mode(2)

20.9

28.0

Regulator in low power

mode, Flash memory in

Deep power down mode(2)

112.5

130.0

Regulator in low power

mode low voltage, Flash

memory in Deep power

down mode

112.5

130.0

tWUSTOP

Wakeup from STOP mode

code execution on RAM(3)

Main regulator with Flash in

Stop mode or Deep power

down(2)

-4.2

7.0

Wakeup from Stop mode,

regulator in low power

mode and Flash in Stop

mode or Deep power down

12.6

20.0

tWUSTDBY

Wakeup from Standby

mode

328.2

400.0

tWUFLASH

Wakeup of Flash

From Flash_Stop mode

11.0

From Flash Deep power

down mode

40.0

1. Guaranteed by characterization.

2. The specification is valid for wakeup from regulator in low power mode or low power low voltage mode, since the timing

difference is negligible.

3. For the faster wakeup time for code execution on RAM, the Flash must be in STOP or DeepPower Down mode (see

reference manual RM0430).

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