wakes up from low power mode, so the user should check in the power wake up status register PWR_WAKESR which flag is

used to wake up the CPU then force the dedicated interrupt in the sleep timer force register SLPTMR_IFR.

●

The Sleep timer clock enables register SLEEPTMR_CLKEN is renamed by the sleep control register CLK_SLEEPCR and

moved to the clock section.

Table 8 gives the list of the changes made in the Sleep Timer bits and registers.

Table 8.

SLPTMR bits and registers overview

Offset

Register

STM32W108 SleepTimer bits/registers naming overview

0x600C

SLEEPTMR_

CFG

Reserved

SLEEPTMR

_REVERSE

SLEEPTMR

_ENABLE

SLEEPT

MR_DBG

PAUSE

Res.

SLEEPTMR_

CLKDIV

Reserved

SLEEPTMR_

CLKSEL

SLPTMR_

CR

Reserved

REVERSE

EN

DBGP

Res.

PSC

Reserved

CLKSEL

0x6010

SLEEPTMR_

CNTH

Res.

SLEEPTMR_CNTH

SLPTMR_

CNTH

Res.

CNTH

0x6014

SLEEPTMR_

CNTL

Res.

SLEEPTMR_CNTL

SLPTMR_

CNTL

Res.

CNTL

0x6018

SLEEPTMR_

CMPAH

Res.

SLEEPTMR_CMPAH

SLPTMR_

CMPAH

Res.

CMPAH