on a related topic: I just made a 5x7 LED matrix display driver using a PIC16F84A, but i can't fit each letter of the alphabet into the chip due to the small memory, so i'm planning on upgrading the PIC. the current cunsumption is about 25-30mA at 5V. On 8/19/05, Mike Harrison wrote: > On Sat, 20 Aug 2005 09:14:02 +1200, you wrote: > > >> to generate the LCD AC drive, it draws just 1.6uA at 3V > >> Running the 32K Timer 1 oscillator adds about another 3.5uA > > > >They're good figures. What size segments ? Care to share > >the drive circuitry ? > > This was a handful of segments on a 1/2 inch LCD I had lying around - number of segs didn't make a > huge difference - maybe 0.2uA for adding 8 'on' segments, > > No drive circuitry - LCD connected direct to IO pins (static drive) > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- Scott Larson 3201 S. State. St. box 2561 Chicago, Il, 60616 619-400-9775 http://goldscott.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist