At 01:09 PM 23/08/2007, you wrote: >The 44780 internal clock may be slowing with temperature, and silicon >gets a bit slower with heat too iirc. I'd put more time delays between >every operation to narrow down where the timing problem is. May try and run it at 4MHz instead of 8, if it works then it may be a matter of just adding a few nops...will need to wait for summer and a hot day.... :-) LOL Regards John Samperi ******************************************************** Ampertronics Pty. Ltd. 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA Tel. (02) 9674-6495 Fax (02) 9674-8745 Email: john@ampertronics.com.au Website http://www.ampertronics.com.au *Electronic Design * Custom Products * Contract Assembly ********************************************************
Message
Re: [AVR-Chat] OT: HD44780 LCD lock-up - busy flag stays set
2007-08-23 by John Samperi