18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please


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  1. #1
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    Default 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    I'm running out of memory (32K) on the 18F4580 (I have several large include files for PID routines, AM2302 sensors, etc) and need a chip similar to the 18F4580 but with 64K - any suggestions ?

  2. #2
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    Default Re: 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    Hi Scampy,

    I am not sure how many of the peripherals you are using on the 18F4580 but take a look at the 18F47J13 family.
    I am currently using the 18F27J13 and it is a real treat - especially the Peripheral Pin Select function!

    Cheers
    Barry
    VK2XBP

  3. #3
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    Default Re: 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    Pic18f4680
    Thanks and Regards;
    Gadelhas

  4. #4
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    Default Re: 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    Take a look at the 18F4620.
    Pretty close to pin for pin with the 4580 and it's $0.11 cheaper
    4620: 64k Flash, 3968 RAM, 1024 EEPROM
    4580: 32k Flash, 1536 RAM, 256 EEPROM

    I use the 4620 quite a bit, for the same reason, more space.
    Regards,
    TABSoft

  5. #5
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    Default Re: 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    Thanks for the suggestions, I'll take a look at the data sheets later, in the mean time I'll look at consolidating the code to fit the 32K flash

  6. #6
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    Default Re: 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    I have used many 18F4620 for huge programs. Love the chip.

  7. #7
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    Default Re: 18F family, 40 pin PIC with 64K flash memory - 5v - suggestions please

    Ordered one as a backup in case I can't consolidate the code to less than 32K

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