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INTERRUPT STRUCTURE
S3F80JB
5-6
Table 5-1. S3F80JB Interrupt Vectors
Vector Address
Interrupt Source
Request
Reset/Clear
Decimal
Value
Hex
Value
Interrupt
Level
Priority in
Level
H/W
S/W
256
100H
Basic timer overflow/POR
RESET
–
√
252
FCH
Timer 0 match/capture
IRQ0
1
√
250
FAH
Timer 0 overflow
0
√
246
F6H
Timer 1 match/capture
IRQ1
1
√
244
F4H
Timer 1 overflow
0
√
236
ECH
Counter A
IRQ2
–
√
246
F2H
Timer 2 match/capture
IRQ3
1
√
244
F0H
Timer 2 overflow
0
√
232
E8H
P0.7 external interrupt
IRQ7
–
√
232
E8H
P0.6 external interrupt
–
√
232
E8H
P0.5 external interrupt
–
√
232
E8H
P0.4 external interrupt
–
√
230
E6H
P0.3 external interrupt
IRQ6
3
√
228
E4H
P0.2 external interrupt
2
√
226
E2H
P0.1 external interrupt
1
√
224
E0H
P0.0 external interrupt
0
√
216
D8H
P2.7 external interrupt
IRQ5
–
√
216
D8H
P2.6 external interrupt
–
√
216
D8H
P2.5 external interrupt
–
√
216
D8H
P2.4 external interrupt
–
√
214
D6H
P2.3 external interrupt
IRQ4
3
√
212
D4H
P2.2 external interrupt
2
√
210
D2H
P2.1 external interrupt
1
√
208
D0H
P2.0 external interrupt
0
√
NOTES
:
1. Interrupt priorities are identified in inverse order: '0' is highest priority, '1' is the next highest, and so on.
2. If two or more interrupts within the same level content, the interrupt with the lowest vector address usually
has priority over one with a higher vector address. The priorities within a given level are fixed in hardware.
3. Reset (Basic timer overflow or POR) interrupt vector address can be changed by smart option
(Refer to Table 15-3 or Figure 2-2).
Содержание S3F80JB
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