10 dax channel b user data (xub)—bit 14, 11 dax channel b channel status (xcb)—bit 15, 5 dax status register (xstr) – Motorola DSP56012 User Manual

Page 220: 1 dax audio data register empty (xade)—bit 0, 2 xstr reserved bits—bits 1, 5–23, 3 dax transmit underrun error flag (xaur)—bit 2, Dax channel b user data (xub)—bit 14 -10, Dax channel b channel status (xcb)—bit 15 -10, Dax status register (xstr) -10, Dax audio data register empty (xade)—bit 0 -10