Microchip Technology MA180019 Data Sheet
PICDEM™ LCD 2 Demonstration Kit User’s Guide
DS51662A-page 15
© 2007 Microchip Technology Inc.
FIGURE 3-4:
DEMO PROGRAM FLOWCHART
Is S4
switch pressed?
Display F4
Display
Increase
A
Is S1/S2
switch
pressed?
Is S3
switch
pressed?
No
Yes
No
Contrast
Yes
Decrease
Contrast
Yes
No
Software Contrast Demo
D
LCDREG<BIAS> bits
using Charge Pump