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  • PicŪ Basic


  • OnLine Ordering


    Order PDS via our online ordering system. Follow this link directly to the Proton section to order PDS


    Click HERE to order Proton Compiler and Amicus Boards

    Read about PDS, find out what it can do for you, what you'll need to use it and product licensing.






    Replacement License Key

    Have you lost your license key? If you require a replacement USB license key, you may order one online.



    • We will check that you are registered as a licensed user on our system.
    • You may be asked to provide proof of purchase. (for example, if you did not purchase direct from Crownhill)
    • We will issue ONLY 1 (one) replacement license key per user, If you loose the replacement key will will NOT issue another key.
    • If you did NOT purchase PDS, or received it as a free sample or complimentary copy, we reserve the right to decline your request.
    • Follow this link to order online.




    Exchange License Key






    If your License Key ceases to operate and its out of warranty, you may order an exchange key

  • Recent Activity

    xldaedalus-432

    Mysterious PORTB problem

    Thread Starter: xldaedalus

    I'm using Proton+ to develop firmware for a product with switches. The MCU is an 18F26K22. Most of the switches reside on PORTB. I am NOT using a...

    xldaedalus Yesterday, 18:21 Go to last post
    teo-16018

    Frequency counter

    Thread Starter: teo

    Hello everybody Can someone help me with a piece of code to measure a frequency (1Hz to 160 Hz) precision two decimals. The result is transmitted...

    teo Today, 17:43 Go to last post
    Les-15

    SHIN generates ASM ERROR with the 16F18877

    Thread Starter: evoortman

    Hi, On a PIC16F18877 the SHIN command generates an ASM ERROR: Could this also be related to renamed or moved SFRs in the newer controllers? ...

    Les Yesterday, 19:18 Go to last post
    towlerg-21522

    PickitPlus for Pickit2 and Pickit3 works well

    Thread Starter: leonj

    Hi Everyone, I have always had issues with Pickit2/Pickit3 and I'm glad to say they seem to all be solved now. I obtained PickitPlus from Even at...

    towlerg Today, 14:36 Go to last post