User manual

XLP 8-Bit Development Board User’s Guide

DS41581A-page 22  2011 Microchip Technology Inc.

2.2.2.4 LCD SETTINGS

Under the LCD settings the user will have the option to choose to toggle the backlight

for the LCD or to adjust its brightness. If the user selects Backlight, it will toggle on or

off. If the user chooses Save Custom, it will store the current Backlight status into the

EEPROM for the custom user preferences. By default the demonstration program is set

to ON. Note that by toggling the backlight off will reset the brightness value. If the user

selects Brightness, it will allow the user to adjust the backlight brightness using the

CLR (UP) and RB0 (DOWN) buttons. The brightness percentage (0-100) will be

displayed on the screen in Active mode.

2.2.2.5 SAVE CUSTOMS SETTINGS

If the user chooses Save Custom, all current custom settings will be written and stored

to the on-board EEPROM. These custom settings will be loaded at boot-up for all future

uses. These will remain the boot-up settings until Save Custom is selected again. All

the default settings are listed in Figure 2-6:

FIGURE 2-6: ALL DEFAULT SETTINGS

Standard [24-HR]

Wake Up 15 seconds

Display Length 5 seconds

Frequency 4 MHz

Type Celsius

Duty Cycle 100