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.
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”.