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S3C84E5/C84E9/P84E9 INTERRUPT STRUCTURE
5-13
Group A
0 = IRQ0 > IRQ1
1 = IRQ1 > IRQ0
Subgroup B
0 = IRQ3 > IRQ4
1 = IRQ4 > IRQ3
Group C
0 = IRQ5 > (IRQ6, IRQ7)
1 = (IRQ6, IRQ7) > IRQ5
Subgroup C
0 = IRQ6 > IRQ7
1 = IRQ7 > IRQ6
Group B
0 = IRQ2 > (IRQ3, IRQ4)
1 = (IRQ3, IRQ4) > IRQ2
Interrupt Priority Register (IPR)
FFH, Set 1, Bank 0, R/W
LSBMSB .7 .6 .5 .4 .3 .2 .1 .0
Group priority:
0 0 0 = Undefined
0 0 1 = B > C > A
0 1 0 = A > B >C
0 1 1 = B > A > C
1 0 0 = C > A > B
1 0 1 = C > B > A
1 1 0 = A > C > B
1 1 1 = Undefined
D7 D4 D1
Figure 5-8. Interrupt Priority Register (IPR)