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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Its on a breadboard. I'm new to this so it is very possible I have something wrong. But, it is odd that the 84 runs cool and the 84A hot. Could it have something to do with my unused I/O ports? What is the general rule? Should I make all unused port outputs and tie them hi? Should I enable...
Thanks for replies. Yes, it appears to me that the power connections between the two are identical - from the datasheets. My circuit is just a simple serial output to a terminal. I didn't change anything when I went from 84 to 84A, other than removing the 10MHz osc w/a 20MHz osc. The program...
..was wondering, I have worked with the PIC16F84 w/10MHz clock some and just tried out the 16F84A w/20MHz clock. I noticed that the 16F84A was really putting off some heat, almost too hot to touch. Is this normal? Thank.
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