MCU with ICSP instead of PGD/PGC


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  1. #1
    Join Date
    Jun 2013
    Posts
    30

    Default MCU with ICSP instead of PGD/PGC

    I try to program MCU with ICSP programming pin but MPLAB X return "The circuit on your board may require you to slow the speed down. Please change the setting in the tool properties to low and try the operation again"

    I had tried changing the config for all the available clock speed setting but all return the same error massage,while using a MCU with PGD/PGC I came program it succesfully

    MCU used is PIC16F57
    Programmer PICKIT 4

    please help
    Last edited by Sabahan; - 15th June 2020 at 15:41.

  2. #2
    Join Date
    Apr 2014
    Location
    Northeast
    Posts
    321

    Default Re: MCU with ICSP instead of PGD/PGC

    PICKit4 probably killed your PIC16F57. In the Eratta for the PICKit4 it mentions putting a 100 ohm resistor in series with the ICSP pins. Apparently the PICKit4 outputs a higher voltage than the older PICs can tolerate. Look it up.

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