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CHAPTER 11 DELAYED INTERRUPT MODULE
11.3 Operation of Delayed Interrupt Module
The delayed interrupt function issues interrupts for switching tasks. This function can
be used to issue or cancel an interrupt request to the CPU via software.
I Interrupt number
The delayed interrupt is assigned to the interrupt source corresponding to the maximum
interrupt number.
For the MB91130, the delayed interrupt is assigned to interrupt number 63 (3F
I DLYI bit of DICR
To issue a delayed interrupt source, set this bit to 1. To cancel the delayed interrupt source, set
this bit to 0.
This bit is the same as that used as interrupt-source flag of general interrupts. Use the interrupt
routine to clear this bit and switch tasks.
258
).
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