Ian Hynes wrote:
>
> PICers,
> I've been kicking around a design involving an RF 1/2duplex link, a
> keypad interface bmo a 74C922 decoder, lcd(3 wire connection , 4 bit
> mode) & maybe relay closure. The pin connections work out OK for a
> 16C57 but the programming would be alot easier with interrupts.
>
> I've only programmed '57s & f84s so far and the ol' f84 would be
> struggling - you'd have to do heroic things i/t/o multiple functions
> on single pins.
>
> So what would folks recommend as the next chip I should try out? I
> figure I'll need PORTA (x4), PORTB(x8) & PORTC (x8) + interrupts. It
> shpould be programmable on the PICSTART+ and MPLAB. Heh .. and readily
> available for reasonable $$$$!
>
> Thanx for advice - 'bout time i moved up in the PIC series I figure.
>
> Ian

Try the 16F877 which has extra pins and may make external hardware
simpler. If you use it in conjunction with a bootloader or an ICD,
development time will be much reduced.

--
Best regards

Tony

mICros
http://www.bubblesoftonline.com
mailto:sales@bubblesoftonline.com

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