• 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

    John Drew-26

    PicKit3 Programmer

    Thread Starter: Dave-S

    Trying to setup a PicKit3 Programmer. Has gone through the install programmer and the Dos screen flashes up but does not stay there, and it does not...

    John Drew Today, 00:08 Go to last post
    chuckieboy-123

    complie issue

    Thread Starter: chuckieboy

    Hi All It's been a long time since I've played with PDS. Back in 2013 I wrote a program all working correctly, I've recently was required to make an...

    chuckieboy Yesterday, 23:56 Go to last post
    towlerg-21522

    16F627 - How do I enable pull-ups on PORTB?

    Thread Starter: davroski

    Hi, Data sheet says OPTION register bit 7 (RBPU) should be set to 0 but compiler 3.5.9.9 doesn't seem to recognise OPTION.7 = 0 or RBPU = 0 Thanks...

    towlerg Today, 01:02 Go to last post
    Dave-S-350

    UMC Loader

    Thread Starter: Dave-S

    Trying to use the MicroCode loader, but when I select either Loader or Loader Options from the "View" menu it just opens my Melabs Programmer. How...

    Dave-S Yesterday, 15:23 Go to last post