3 dax audio data shift register (xadsr), 4 dax control register (xctr), 1 dax enable (xen)—bit 0 – Motorola DSP56012 User Manual

Page 218: 2 dax interrupt enable (xien)—bit 1, 3 dax stop control (xstp)—bit 2, Dax audio data shift register (xadsr) -8, Dax control register (xctr) -8, Dax enable (xen)—bit 0 -8, Dax interrupt enable (xien)—bit 1 -8, Dax stop control (xstp)—bit 2 -8