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Can more than one cog use the microphone at the same time — Parallax Forums

Can more than one cog use the microphone at the same time

haynesj2001haynesj2001 Posts: 2
edited 2011-03-11 23:01 in Propeller 1
I have ordered a Propeller Demo Board and have been reading up on it before it gets here. I have not found any info on whether or not you can have multiple cogs using the microphone.

Comments

  • Phil Pilgrim (PhiPi)Phil Pilgrim (PhiPi) Posts: 23,514
    edited 2011-03-10 01:36
    You can, but not directly. Only one cog should do the delta-sigma A-to-D conversion. But that cog can always write its results to hub RAM for use by any other cog that needs it.

    -Phil
  • haynesj2001haynesj2001 Posts: 2
    edited 2011-03-10 03:33
    Thank you Phil
  • AriAri Posts: 63
    edited 2011-03-11 23:01
    you could easily employ external a/d conversion....and that signal could easily be branched to ALL cogs if necessary.....this is where the Propeller shines....the ability to give ALL cogs pin access...there is no rule saying that the Propeller itself must do the a/d ....but of course you would have to be comfortable employing an external sub-system into your design
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