| S.No |
Edge Triggered Interrupts |
Level Triggered Interrupts |
| 1 |
Can cause high spurious Interrupts (if there is no signal
proper filters, but can be avoided with filters) |
Minimal Spurious Interrupts |
| 2 |
If the Pulse is very short it needs dedicated HW to detect it |
It is easy to detect the Level triggered Interrupts |
| 3 |
From H/W Perspective more gates and complex to implement
|
Less gates required and Less complex to implement |
| 4 |
Not good for Interrupt Sharing. As if we dont clear the
interrupt immediately it will cause other device interrupt to get
lost. (But can be avoided if we clear the interrupt immediately) |
Good for Interrupt sharing with devices.
|
| 5 |
No Lockup problem |
If there is any interrupt without the handler to clear it will
cause the whole system to Lockup |
| 6 |
While Processing the interrupt first Clear the interrupt and
then process |
Process the interrupt and then Clear. (or else may get the same
interrupt again)
|
