FUJITSU MB91460 SERIES FR60 - Manual (Page 399)

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Chapter 27 Delayed Interrupt
1.Overview
Chapter 27 Delayed Interrupt
1. Overview
The delayed interrupt, or the delayed interrupt module is used to generate an interrupt used for task switching.
2. Features
• Type: Interrupt request bit (There is no interrupt request enable bit)
• Quantity: 1
• Other:
• The software generates/releases interrupt request.
• Real time OS uses the delayed interrupt for task switching.
3. Configuration
Figure 3-1 Configuration Diagram
Figure 3-2 List of Registers
Delay interrupt
control circuit
Software request Interrupt request (#63)
Delay interrupt
Delay interrupt control circuit Interrupt request (#63)
Delay interrupt control bit
DLYI DICR: bit 0
0
1
Without interrupt
With interrupt
0
1
Delay interrupt release
Delay interrupt request
Read Write