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CHAPTER 4 DELAYED INTERRUPT GENERATION MODULE
4.2 Block Diagram of Delayed Interrupt Generation Module
The delayed interrupt generation module consists of the following blocks:
• Interrupt request latch
• Delayed interrupt request generate/cancel register (DIRR)
■ Block Diagram of Delayed Interrupt Generation Module
Figure 4.2-1 Block Diagram of Delayed Interrupt Generation Module
●
Interrupt request latch
This latch keeps the settings (delayed interrupt request generation or cancellation) of the delayed interrupt
request generate/cancel register (DIRR).
●
Delayed interrupt request generate/cancel register (DIRR)
This register generates or cancels a delayed interrupt request.
■ Interrupt Number
The interrupt number used in the delayed interrupt generation module is as follows:
Interrupt number #42(2A
H
)
R0
Internal data bus
Delayed interrupt request generate/cancel register (DIRR)
− : Undefined
S Interrupt
request
R Latch
Interrupt
request
signal