Forum Rule: Always post complete source code & details to reproduce any issue!
Tab Content
  • DM5SG's Avatar
    02-25-2021, 07:09 AM
    as follow the limits: PLL5 - DIV = 27..54, NUM max 960000, DENOM max 960000, PLL5_POST_DIV = 1,2,4, VIDEO_DIV = 1,2,4 SAIx_PRED = 1..8 SAIx_PODF = 1..64 vco = must be in range 650MHz - 1.3GHz xtal = must be 24MHz...
    15 replies | 406 view(s)
  • DM5SG's Avatar
    02-25-2021, 05:53 AM
    the datasheet is very vague in many respects. its a pure datasheet with almost none reference to practicle use. the MCUXpresso Config Tool gives at least some ideas about coherences, limits and restrictions Gru▀ aus...
    15 replies | 406 view(s)
  • DM5SG's Avatar
    02-24-2021, 08:45 PM
    thanks Frank - my little program was all about test of functionalty not absolut numbers :cool: by the way .. TMR4_CSCTRL3 can be set to "0" since there isnt a real output to any pin i also saw you use .. static...
    15 replies | 406 view(s)
  • DM5SG's Avatar
    02-24-2021, 07:52 AM
    i finally got it working as it thought to #include <Arduino.h> #include <DMAChannel.h> #define buffer_len 128 #define sfreq 44100 #define samp_timer F_BUS_ACTUAL / sfreq
    15 replies | 406 view(s)
  • DM5SG's Avatar
    02-23-2021, 05:15 PM
    to Frank - am working on an EER (envelope elimination and restauration) transmitter project as part of a sdr project
    15 replies | 406 view(s)
  • DM5SG's Avatar
    02-23-2021, 04:58 PM
    thanks a lot .. but its actually the same same approch .. and it doesnt work for an unknown reason. i spend already plenty of time studying the datasheet. but so far i couldnt figure out why changes in TMR4 registers...
    15 replies | 406 view(s)
  • DM5SG's Avatar
    02-23-2021, 02:46 PM
    iam trying to get TMR4 to work as trigger source for dma transfer. i spend quiete some time so far but but no result as expacted. interrupts are fired at a constant rate but arnt as predicted. changing samp_timer value...
    15 replies | 406 view(s)
No More Results
About DM5SG

Basic Information

About DM5SG
Interests:
Hamradio, ÁProcs

Statistics


Total Posts
Total Posts
7
Posts Per Day
0.12
Last Post
TMR4 and DMA 02-25-2021 07:09 AM
General Information
Last Activity
03-02-2021 06:39 PM
Join Date
02-20-2021