Samsung S3P80C5 User Manual page 95

8-bit cmos microcontrollers
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INTERRUPT STRUCTURE
Levels
RESET
IRQ0
IRQ1
IRQ4
IRQ6
IRQ7
NOTE:
5-4
Vectors
100H
1
FCH
0
FAH
1
F6H
0
F4H
ECH
3
E6H
2
E4H
1
E2H
0
E0H
E8H
For interrupt levels with two or more vectors, the lowest vector address
usually the highest priority. For example, FAH has the higher priority (0)
than FCH (1) within level IRQ0. These priorities are fixed in hardware.
Figure 5-2. S3P80C5/C80C5/C80C8 Interrupt Structure
Sources
Basic timer overflow/INTR/POR
Timer 0 match
Timer 0 overflow
Timer 1 match
Timer 1 overflow
Counter A
P0.3 external interrupt
P0.2 external interrupt
P0.1 external interrupt
P0.0 external interrupt
P0.7 external interrupt
P0.6 external interrupt
P0.5 external interrupt
P0.4 external interrupt
S3P80C5/C80C5/C80C8
Reset/Clear
H/W
S/W
H/W
S/W
H/W
H/W
S/W
S/W
S/W
S/W
S/W
S/W
S/W
S/W

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