Try this LCD controller:

http://www.myke.com/lcd.htm

Less code and pins, using just a cheap CI 74LS174.


[]s

RUbens


At 20:04 27/8/2006, you wrote:
>What do you do when you've run out of program space in a PIC16F88? I'm looking 
>through the Microchip website but can't find anything ideal yet. The perfect solution 
>would be a drop in pin compatible chip with all the same features but 8K words of 
>Flash instead of 4K.
>
>Features I need are self writable Flash for bootloader, internal RC oscillator, some 
>EEPROM, PWM, USART, 28 pin QFN package, more than 4K words of program 
>space (probably 6-8K). PIC16F886 looks like a contender but it doesn't apprear to 
>be available yet (who knows when?), also not pin-compatible but could do a PCB 
>re-design (don't really want to). Is there another chip out there I just haven't seen 
>yet? eg. What is a PIC16F89 and why can't I find it on the Microhip site? Google 
>finds a few references to it but I have no hard facts.
>
>For my prototypes I think I can just squeeze in enough of the program to get them  
>running, but there will be some extra features required for production units. I need 
>to add LCD menu's for installer setup options etc, which eats up code space I don't 
>have. Program is written in Hi-Tech PICC, and I'm not blaming that for my code size 
>problems. I'm doing all the things I can think of to minimise space used.
>
>-- 
>Brent Brown, Electronic Design Solutions
>16 English Street, St Andrews,
>Hamilton 3200, New Zealand
>Ph: +64 7 849 0069
>Fax: +64 7 849 0071
>Cell: 027 433 4069
>eMail:  brent.brown@clear.net.nz
>
>
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