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Author Topic: ATtiny85 - 6 output/input pins?  (Read 718 times)
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Jr. Member
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Hi there,
the ATtiny85 has 8 pins:
VCC, GND, and 6 more, some of them are reset and data pins.
I wanted to ask if I can use all six as input/output pins for my project, for example:
Putting an LED on pin 5, while it's reset pin.
or, on pin 3 which is a data pin.


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Edison Member
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Hi - Yes & No - You can use PIN1 as either RESET or I/O but not both, this is set with the fuses. Once the pin is set as I/O it can only be reset using HVP (High Voltage Programming) Hope this help clear things up.

Drew. - My UK Based PCB Fab & Assembly Company
Design work undertaken
SMD & Thru-Hole assembly

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