# Overlay object not found

**URL:** <https://discuss.pynq.io/t/overlay-object-not-found/5378>\
**Category:** Support\
**Created:** [March 21, 2023, 12:58am UTC](https://discuss.pynq.io/t/overlay-object-not-found/5378 "2023-03-21T00:58:19Z")\
**Posts on this page:** 1\
**Showing post:** 20

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**Author:** ![marioruiz](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/marioruiz/32/2177_2.png) [@marioruiz](https://discuss.pynq.io/u/marioruiz)\
**Post date:** [March 21, 2023, 8:40pm UTC](https://discuss.pynq.io/t/overlay-object-not-found/5378/20 "2023-03-21T20:40:24Z")

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Earlier versions of PYNQ required an interrupt controller, in the latest version a **single** interrupt can be connected directly to the IRQ pin. More than one interrupt, requires an interrupt controller.

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_[View the full topic](https://discuss.pynq.io/t/overlay-object-not-found/5378)._