NAME   rev ADDR type chip Description
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AUDxLCL   0A2    W   A    Audio channel x location (low 15 bits)

         This pair of registers contains the 20 bit starting
         address(location) of audio channel x (x=0,1,2,3)DMA
         data. This is not a pointer reg and therfore only
         needs to be reloaded if a diffrent memory location
         is to be outputted.