Download Print this page

Samsung S3C8248 User Manual page 101

8-bit cmos

Advertisement

INTERRUPT STRUCTURE
Group priority:
D7 D4 D1
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
5-12
Interrupt Priority Register (IPR)
FEH, Set 1, Bank 0, R/W
MSB
.7
.6
.5
= Undefined
= B > C > A
= A > B > C
= B > A > C
= C > A > B
= C > B > A
= A > C > B
= Undefined
Subgroup C
0 = IRQ6 > IRQ7
1 = IRQ7 > IRQ6
Figure 5-8. Interrupt Priority Register (IPR)
S3C8248/C8245/P8245/C8247/C8249/P8249
.4
.3
.2
.1
Group B
0 = IRQ2 > (IRQ3, IRQ4)
1 = (IRQ3, IRQ4) > IRQ2
Subgroup B
0 = IRQ3 > IRQ4
1 = IRQ4 > IRQ3
Group C
0 = IRQ5 > (IRQ6, IRQ7)
1 = (IRQ6, IRQ7) > IRQ5
.0
LSB
Group A
0 = IRQ0 > IRQ1
1 = IRQ1 > IRQ0

Advertisement

loading

This manual is also suitable for:

C8245P8245C8249C8247P8249