Thanks Ytai On Saturday, July 9, 2016 at 1:00:24 AM UTC+5:30, Ytai wrote: > > The table titled "internal RC accuracy" in the datasheet specifies a > typical 0.15% deviation, but a worst case 1% across the temperature range. > USB's nominal requirement is 0.25%. So if you want to be 100% certain you'd > need to add a crystal to the circuit (and make a configuration flag change > in the bootloader). Otherwise, you can characterize it yourself and see how > bad it actually gets. > > On Fri, Jul 8, 2016 at 5:18 PM, Pranay Sharma <[email protected] > <javascript:>> wrote: > >> HI Ytai, >> I checked the data sheet of the PIC micro used in IOIO board but I am not >> able to figure out which graph to see to understand the oscillators >> behaviour to temprature changes. >> Further, is there a link to exact BOM of the parts used for IOIO with >> exact part names? >> Thanks for your time >> >> On Friday, July 8, 2016 at 6:56:40 AM UTC+5:30, Ytai wrote: >>> >>> I haven't done any work to characterize the temperature range or design >>> for a specific one. You'd have to do that be checking the datasheets of the >>> individual parts. I'm assuming that 85C should be safe for most if not all >>> parts. Another thing you'd need to evaluate is how stable the internal >>> oscillator of the PIC is across the temperature range. USB is pretty picky >>> about the precision of its clock. >>> >>> On Wed, Jul 6, 2016 at 12:59 PM, Pranay Sharma <[email protected]> >>> wrote: >>> >>>> Dear ALL, >>>> Could someone put some light on what are the temperature ranges for >>>> proper operation of the IOIO board. >>>> >>>> I was thinking to use this board for a product which would be put >>>> outdoors where maximum temperature in summers is 45Deg Celcius. >>>> So the expected temperature inside the board could easily reach 55deg >>>> or 60Deg. >>>> >>>> BR >>>> Pranay >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ioio-users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at https://groups.google.com/group/ioio-users. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "ioio-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/d/optout. >> > >
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