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14 how do i enable, disable and clear interrupts – FUJITSU MB91460 SERIES FR60 User Manual

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Chapter 39 Programmable Pulse Generator

7.Q & A

7.13 What interrupts are available and how are they selected?

Interrupt cause selection

Four kinds of interrupts are selectable as follows:

Use the Interrupt Cause Setting bit (PCN.IRS[1:0]) to set.

7.14 How do I enable, disable and clear interrupts?

Interrupt Request Enable flag, Interrupt Request flag

Use the interrupt request enable bit (PCN.IREN) to enable interrupts.

Use the interrupt request bit (PCN.IRQF) to clear interrupt requests.

(See “

8. Caution (Page No.821)

”.)

Interrupt Cause

Interrupt Cause Setting Bit (IRS[1:0])

Software trigger or Internal trigger generation (PPG0-PPG15)

Set “00”.

Down counter borrow (cycle match)

Set “01”.

Duty match

Set “10”.

Down counter borrow (cycle match) or Duty match

Set “11”.

Interrupt Request Enable Bit (IREN)

To disable interrupt requests

Set “0”.

To enable interrupt requests

Set “1”.

Interrupt Request Bit (IRQF)

To select interrupt request

Write “0”.