[sdiy] SOIC audio ADCs & dsPIC33F devices with codec interfaces not shown as such in the selector chart

[Scott Gravenhorst]

Hi Robin,

Thank you, awesome.  I (stoopidly) searched for DCI when they had spelled it out as
Data Converter Interface on page 2.  I was confused by that I suppose, I see it now
and I'll continue with the board I started that is 80% completed.  I'm connecting a
CS4270 codec to it.  I have used the internal dsPIC33F 16 bit stereo DAC for another
project and I thought is sounded pertty good.

Robin Whittle <rw at firstpr.com.au> wrote:
>Hi Scott,
>
>Although I had reported this problem 3 years ago, I forgot and earlier
>today spent an hour and a half trying to figure out how to connect to an
>I2S ADC with the SPI port!
>
>There definitely is a DCI module in the dsPIC33FJ128GP802.  If you look
>in the datasheet:
>
>  http://ww1.microchip.com/downloads/en/DeviceDoc/70292G.pdf
>
>you can see it is so for this device and 9 others, including the
>dsPIC33FJ32GP302 which Eric Brombaugh used (with its DCI module) to
>connect to a codec:
>
>  http://ebrombaugh.studionebula.com/synth/dsPIC_sp/index.html
>
>Furthermore, with the original MPLAB, if you look in:
>
>C:\Program Files\Microchip\MPLAB ASM30 Suite\Support\dsPIC33F\inc\
>p33FJ128GP802.inc lines 612 to 626 concern the DCI registers.
>
>
>Martin Fay wrote:
>
>> I've regularly seen Wolfson mentioned as supplying components for
>> iPods.
>
>Indeed: http://en.wikipedia.org/wiki/Wolfson_Microelectronics .  I have
>been living under a rock regarding this company's work - I haven't
>pulled apart any iPods or iPhones.
>
>  - Robin
>

-- ScottG
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