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sjackson
Visitor II
May 6, 2008
Question

WIU and UART Serial transmission

  • May 6, 2008
  • 2 replies
  • 654 views
Posted on May 06, 2008 at 17:41

WIU and UART Serial transmission

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    2 replies

    S
    sjacksonAuthor
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 09:39

    Does anyone know if it is possible to use a UART receive interrupt to wake up the processor from sleep mode? Or should I just try to tie the UART transmission wire to some external interrupt pin elsewhere on the processor?

    Thanks.

    A
    amira1
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 09:39

    Hi SJackson,

    It's not possible to use UART receive interrupt to wake up the processor from sleep mode.

    In fact, sleep mode can be triggered by RTC Alarm, external interrupt via wake-up unit (WIU) or externel reset.

    with best regards,

    mirou

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