LCD showing mostly jibberish on 16F716

[mark_s]

I have used both the pic16f818 and 819 which are in the list. Both have internal oscillators to 8mhz.
Microchip has one of the worst website/search engines out there.

[HenrikOlsson]

That's just weird, selecting No and None in the Internal Oscillator column of the product selector produced the above list. Checking the 16F818 does indeed show it's got internal oscillator.
Thanks for pointing that out Mark!

[davewanna]

I cut my teeth on the 16F877 and it is my understanding it does not have an internal oscillator. And it doesn't seem to be in your list Henrik.

[HenrikOlsson]

That seems correct.
Conclusion: The list is flawed and so is the data Microchip is using in their selector tool - which is what generated the list.

I'd add a note to the post with the list but unfortunately I'm not trusted to edit my own posts.

Sorry for the confusion.

/Henrik.

[davewanna]

All is good. I'm just glad I'm able to shift some of the blame from myself to Microchip in this instance.. haha

Thanks for all the help anyway circuit now working like it should, now back to finishing the code....

[Ryan7777]

Your open pins were probably acting like little antennas and picking up something nearby on occasion that just happened to be what the pic was expecting as an OSC frequency, hence the occasional flicker of life . Floating pins on PICs can do some pretty weird stuff, or on logic chips of any sort.

Glad you got it sorted!