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  1. Replies
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    PIC18F14K22 and PLL (4 x Phase Lock Loop)

    I didn't do that setting before. I did it now and everything works fine now.

    Thank you so much for your help.
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    11,967

    PIC18F14K22 and PLL (4 x Phase Lock Loop)

    Hi

    I am trying to run a PIC18F14K22 in PLL mode with internal oscillator and PLL (i.e. frequency x 4). The internal clock should be 64'000'000 MHz. Here is my sample code:



    asm
    __CONFIG...
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    10,703

    SPI instead of SHIFTOUT - MAX7219

    Dear DT

    I would like, first, to thank you very very much for your support and then I wish to give you a feedback on how far I went with my SPI interface.

    After some investigation I could find...
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    10,703

    SPI instead of SHIFTOUT - MAX7219

    @falingtrea

    Many thanks for the advice. I have seen these examples and I couldn't succeed since I need a peer to talk to via the SPI. I am intending just to drive a MAX7219.

    Vielen Dank...
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    10,703

    SPI instead of SHIFTOUT - MAX7219

    Sorry DT

    I wasn't complete in my previous answer.

    The first thing I did was to test with the addition of the while loop as you proposed and it wasn't successful, i.e. No toggle on PORTB.0...
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    10,703

    SPI instead of SHIFTOUT - MAX7219

    Many thanks Darrel Taylor.

    Yes, you are right that's a mistake I have made. I wanted to have SSPM3:0 = 0010, i.e. the lowest speed.



    I am not that far, I will check this later on.


    If I...
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    10,703

    SPI instead of SHIFTOUT - MAX7219

    Hi Mister-e

    Many thanks for the quick reaction.

    As to the schematic nothing special but a PIC 16F876 with a 20 MHz crystal on a Mel PCB (PICPROTO-USB). I am checking with a scope (PCSU1000) the...
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    10,703

    SPI instead of SHIFTOUT - MAX7219

    Hi guys

    I have been looking around for a while (almost the whole day) to find an example on how to use the SPI interface on a PIC 16F876 and I couldn't succeed. It works fine with SHIFTOUT but I...
  9. Replies
    278
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    318,800

    Mister_E example in Delphi

    Hi
    Here is an adaptation of Mister_E USBDemo but in Delphi. It's not completely finalised but it works. This example bases on the PICPROTO-USB board from MELabs (you can get all the information on...
  10. Replies
    278
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    318,800

    Feedback on USBDemo

    Dear Steve

    I would like to give you feedback on 3 points:

    1st, there is a typing error in your example USBDemo.pbp source file. Line 39 in your file should say "_FCMEM_OFF_1H" and not...
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    318,800

    RE: Files location issue?

    Many thanks Steeve

    I have copied all the files in the folder where I have PBP 2.47 installed and I tried to compile again. The errors are the same.

    I have been surprised by the way you did...
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    318,800

    RE: Files location issue?

    Hi skimask.

    First, many thanks for your help.

    Second, I know from Melabs, that they support 2450/4450 in the USB modes.

    My issue again is: I was not trying to use any other PIC, but 4550. I...
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    318,800

    Files location issue?

    Dear all

    I am a newbie who's tying to do his first steps with UBS programming under PIC. My environment is PBP 2.47, Microcode Studio 3.0.0.0 and MPASM 5.03.

    I am using microsontroller PIC...
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