M263 datasheet(360/398 Pages) NUVOTON

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M261/M262/M263

Mar 25, 2020

Page 360 of 398

Rev 1.02

8.3.3

Wakeup Time



The wakeup times given in Table 8.3-7 is measured on a wakeup phase with a 12 MHz HIRC

oscillator. The clock source used to wake up the device depends from the current operating

mode:

–

Fast-wakeup, power down, low leakage Power-down mode: the clock source is the RC

oscillator

–

Standby and Deep Power-down mode: the clock source is the clock that was set before

entering Sleep mode.



The wakeup times are measured from the wakeup event to the point in which the application

code reads the first instruction.



The clock source is the RC oscillator from HIRC.

Symbol

Parameter

Typ

[*1]

Unit

tWU_IDLE

Wakeup from IDLE mode

1.63

[*2]

µs

tWU_FWPD

Wakeup from Fast-wakeup Power-down mode

9.0

[*2]

tWU_NPD

Wakeup from normal Power-down mode

11.5

[*2]

tWU_LLPD

Wakeup from low leakage Power-down mode

[*2]

tWU_ULLPD

Wakeup from ultra low leakage power down

[*2]

tWU_SPD

Wakeup from Standby Power-down mode (SPD)

525

[*2]

tWU_DPD

Deep Power-down mode (DPD)

183

[*3]

Note:

Guaranteed by characterization results, not tested in production.

The wake up source is GPIO(PA.0) wake up.

The wake up source is GPIO(PC.0) wake up.

Based on test during characterization, not tested in production.

The wakeup times are measured from the wakeup event to the point in which the application code reads the first

Table 8.3-7 Low-power Mode Wakeup Timings

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