ATtiny85 20MHz Internal Clock

ATtiny85 20MHz Internal Clock

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Here is a new tutorial from technoblogy.com on how to run ATtiny85 with internal 20MHz clock.

The ATtiny85 is rated at a maximum clock speed of 20MHz at 4.5 – 5.5V. For some applications it would be nice to get the maximum speed without needing to buy a 20MHz crystal, or tie up two I/O lines driving the crystal. Here’s how to do it.

To test it I toggled an output at the clock frequency, and measured it with a frequency meter

The reading of 10MHz implies a clock frequency of 20MHz.

2ATtiny85 0MHz Internal Clock – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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