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temtronic
Joined: 01 Jul 2010
Posts: 9122
Location: Greensville,Ontario
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 Posted: Tue Sep 23, 2014 5:10 am |
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I currently like/use the PIC18F46K22 for 99% of my projects. I like 'big' PICs that go into sockets. It has a LOT of memory,2 UARTS,times,I/O pins and other peripherals.Having a common PIC 'platform' makes it easy to use for any project. I don't know what's different with the '80 though, would have to look it up and compare.
I don't believe in the 'make-it-really-really-small' principle. To me it's better to spend a little extra up front than huge $$$ in R&D costs to 'find an extra pin or just another few bytes of code space'.
hth
jay |
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gaugeguy
Joined: 05 Apr 2011
Posts: 290
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| Posted: Tue Sep 23, 2014 7:07 am |
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The K80 has CAN bus and 12 bit A/D instead of 10 bit A/D but the A/D does have significant errata. You also lose an extra pin on the K80 for a required internal regulator cap.
With some additional calibration steps you can get very nice 12bit A/D. |
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musti463
Joined: 19 Sep 2013
Posts: 66
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| Posted: Tue Sep 23, 2014 12:22 pm |
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| gaugeguy wrote: | The K80 has CAN bus and 12 bit A/D instead of 10 bit A/D but the A/D does have significant errata. You also lose an extra pin on the K80 for a required internal regulator cap.
With some additional calibration steps you can get very nice 12bit A/D. |
1- Which PIC has significant errata? and what is significant errata?
2- We have to use this internal regulator cap?
3- What is additional calibration steps for nice A/D ?
@temtronic 18F46K22 and 18F46K80 has better features then 18F4685. But 18F4685 more expensive then 18F46K22 and 18F46K80 ! Why?
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M.Emir SADE |
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gaugeguy
Joined: 05 Apr 2011
Posts: 290
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Ttelmah
Joined: 11 Mar 2010
Posts: 19240
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| Posted: Tue Oct 07, 2014 11:11 am |
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| On pricing, remember this is determined by how many of a chip Microchip is making, not it's features. This is why you can have modern chips with better features costing less that older versions, which are less good in almost every way. If a new chip is produced specifically to meet a customer demand, that guarantees huge sales, it often ends up priced much more competitively.... |
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