Samsung S3C84I8 User Manual page 132

INTERRUPT STRUCTURE
Group priority:
D7 D4 D1
0 0
0 0
0 1
0 1
1 0
1 0
1 1
1 1
5-14
Interrupt Priority Register (IPR)
MSB .7 .6
0 = Undefined
1 = B > C > A
0 = A > B >C
1 = B > A > C
0 = C > A > B
1 = C > B > A
0 = A > C > B
1 = Undefined
Figure 5-8. Interrupt Priority Register (IPR)
FFH ,Set 1, Bank 0, R/W
.5 .4 .3 .2
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
S3C84I8/F84I8/C84I9/F84I9
.1 .0 LSB
Group A
0 = IRQ0 > IRQ1
1 = IRQ1 > IRQ0
Group B
0 = IRQ2 > (IRQ3, IRQ4)
1 = (IRQ3, IRQ4) > IRQ2