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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).