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waclawek.jan
waclawek.jan
Super User
December 8, 2014
Question

STM32F411 - What is ''Batch Acquisition Mode''?

  • December 8, 2014
  • 11 replies
  • 2369 views
Posted on December 08, 2014 at 14:18

''Batch Acquisition Mode'' mentioned for the new STM32F411:

http://www.st.com/web/en/press/en/p3580

http://www.st.com/web/en/catalog/mmc/FM141/SC1169/SS1577/LN1877

OK I understand the marketing droids need to buzz. But I assumed there must be something behind it. Downloaded RM0383, and there's not a single mention of ''batch'' there.

Anybody knows more?

Thanks,

JW

#batch-acquisition #stm32f411 #batch-acquisition-mode
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    waclawek.jan
    waclawek.janAuthor
    Super User
    January 11, 2015
    Posted on January 11, 2015 at 09:34

    Thanks, Uwe.

    OK, So if I understand correctly, this *is* only a marketing buzz.

    The only thing of some merit mentioned there is ''the Flash memory [can be] switched off by setting the FMSSR and FISSR bits in PWR_CR register'', and that this yielded some 260uA reduction in current consumption. This in itself may be an interesting feature, but IMO does not deserve an obscure TLA ;)

    The 'F2x/'F43x have an ''underdrive'' option for Sleep, see UDEN bits in PWR_CR - anybody can tell what is its exact mechanism and resulting effect?

    Thanks,

    Jan
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