6 rcs receiver data shift direction (rdir)—bit 6, 7 rcs receiver left right selection (rlrs)—bit 7, Rcs receiver data shift direction (rdir)—bit 6 -12 – Motorola DSP56012 User Manual
Page 190: Rcs receiver left right selection (rlrs)—bit 7 -12, Figure 6-5, Figure 6-6