Motorola MPC8260 - Manual (Page 860)

29-80 MPC8260 PowerQUICC II UserÕs Manual MOTOROLA
Part IV. Communications Processor Module
Figure 29-55. Interrupt Queue Structure
29.11.2 Interrupt Queue Entry
Each one-word interrupt queue entry provides detailed interrupt information to the host.
Figure 29-56 shows an entry.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Offset + 0x00 V Ñ W Ñ TBNR RXF BSY TXB RXB
Offset + 0x02 Channel Code (CC)
Figure 29-56. Interrupt Queue Entry
V = 0 W = 0 Invalid
V = 0 W = 0 Invalid
V = 0 W = 0 Invalid
V = 1 W = 0 Interrupt Entry
V = 1 W = 0 Interrupt Entry
V = 1 W = 0 Interrupt Entry
V = 0 W = 0 Invalid
V = 0 W = 0 Invalid
V = 0 W = 1 Invalid
INTQ_BASE
Software (Core) Pointer
INTQ_PTR
Word