Chapter 27 Delayed Interrupt; Overview; Features; Configuration - Fujitsu MB91460 SERIES FR60 User Manual

Chapter 27 Delayed Interrupt

1. Overview

The delayed interrupt, or the delayed interrupt module is used to generate an interrupt used for task switching.
Software request

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

Delay interrupt
Delay interrupt
control circuit
Figure 3-1 Configuration Diagram
Delay interrupt control bit
DLYI DICR: bit 0
Read Write
0 0
Without interrupt
Delay interrupt release
1 1
With interrupt
Delay interrupt request
Delay interrupt control circuit
Figure 3-2 List of Registers
Chapter 27 Delayed Interrupt
Interrupt request (#63)
Interrupt request (#63)
1.Overview
383