External Interrupts
Technical Summary, Rev. 2
Freescale Semiconductor
2-15
Preliminary
2.8 External Interrupts
Two on-board push button switches are provided for external interrupt generation, as shown in
. S2 allows the user to generate a hardware interrupt for signal line IRQA. S3 allows
the user to generate a hardware interrupt for signal line IRQB. These two switches allow the user
to generate interrupts for his user-specific programs.
MC56F8367
IRQA
IRQB
+3.3V
+3.3V
10K
10K
S2
S3
0.1µF
0.1µF
Figure 2-7. Schematic Diagram of the User Interrupt Interface
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