• 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

    amod-29593

    Pulse counter using COUNTER command

    Thread Starter: amod

    How I can use counter command for counting pulses on portd.3 of 16f877A.Iam making a 8 digit object counter.

    amod Yesterday, 19:27 Go to last post
    teo-16018

    Assembler to Proton

    Thread Starter: teo

    Hello everybody, How can I translate from Assembler into Proton? --------------------------------------------------------------------------...

    teo Yesterday, 23:30 Go to last post
    Mellbreak-21950

    johngb has just uploaded Proton Studio Ver 1.0.1.6!

    Thread Starter: johngb

    johngb has just uploaded Proton Studio Ver 1.0.1.6! Updated Studio with the following. Fixed - when opening multiple files on start-up the order...

    Mellbreak Today, 08:37 Go to last post
    Tim-107

    CWrite Issues on 16F

    Thread Starter: mjturner

    I want to commit some values to EEPROM, but it seems they no longer include the separate EEPROM area anymore. So I'm having to use the code flash...

    Tim Yesterday, 22:47 Go to last post
    John Drew-26

    Compiler problems

    Thread Starter: Peter Truman

    Hi - Is anyone else having compiler problems on Windows 10? (ver 3.6.1.6 - and the one prior) Sometimes everything is fine - but then, every now...

    John Drew Today, 08:18 Go to last post