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Upload of design documentation for ADAU1442

Posted 20th November 2012 at 12:55 PM by googlyone
Updated 20th November 2012 at 01:02 PM by googlyone

I have had a few people ask for the CAD files and software for the ADAU1442 DSP. I have tried uploading the whole lot as a series of ZIP files - I hope this works OK.

There are a few things that warrant comment, and if you try to untangle this lot, I am sure a few questions to me. Feel free to ask away...

- The sigmastudio file is simply there to generate the code for the DSP. All the actual values for filters etc are calculated by the microcontroller under user control.

- SigmaStdio generates a bunch of export files, my software uses the *.h files, both to load the DSP code, and also to get the addresses in the ADAU1442 of registers for biquad coefficients etc. The microcontroller code pretty well loads these in straight, but there is a tiny bit of tidying up the sigma generated files first...

- The microcontroller is a PIC18F4560 (from memory) the CAD file has a PIC18F5420 in the schematic - these are pin...
Attached Files
File Type: zip (53.4 KB, 297 views)
File Type: zip (2.78 MB, 322 views)
File Type: zip (508.7 KB, 244 views)
File Type: zip Ver2-00 Baseline (435.8 KB, 250 views)
File Type: pdf SPDIF+Rx.pdf (72.8 KB, 418 views)
File Type: pdf Power+Supplies.pdf (86.3 KB, 421 views)
File Type: pdf DSP.pdf (118.5 KB, 496 views)
File Type: pdf Control_IF.pdf (75.2 KB, 419 views)
File Type: pdf ADC.pdf (88.0 KB, 428 views)
File Type: pdf DAC.pdf (86.6 KB, 484 views)
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