Table56 hcsr receive interrupt enable bits, 12 hcsr host transmit underrun error (htue)—bit 14, 13 hcsr host transmit data empty (htde)—bit 15 – Motorola DSP56012 User Manual
Page 165: Hcsr host transmit data empty (htde)—bit 15 -17, Table 5-6, Hcsr receive interrupt enable bits -17