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"OPMODE" in STM32L4 LPTIM description

Uwe Bonnes
Principal III

‎2019-12-09 09:27 AM

All the STM32L4 reference manuals. describe LPTIM_CFGR

Bit 20 WAVE: Waveform shape

       The WAVE bit controls the output shape

       0: Deactivate Set-once mode, PWM / One Pulse waveform (depending on OPMODE bit)

OPMODE bit is mentioned nowhere else .

STM32G4 datasheet has

Bit 20 WAVE: Waveform shape

       The WAVE bit controls the output shape

       0: Deactivate Set-once mode, PWM or One Pulse waveform depending on how the timer was

           started, CNTSTRT for PWM or SNGSTRT for One Pulse waveform.

This description does make more sense. Please correct in L4 reference manuals.

1 REPLY 1
Amel NASRI
ST Employee

‎2020-01-07 08:54 AM

Hello Uwe,

Yes indeed, the description you find in STM32G4 reference manual is the correct one. The L4 reference manuals will be updated to add the same description.

-Amel

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