Analog Devices Blackfin Landscape LCD EZ-Extender ADZS-BFLLCD-EZEXT Manual page 33

Landscape LCD EZ-Extender Hardware Reference
communicate to the controller in order to control the LCD backlight. The
benefit of using the AD7879 device over the
trol is that the flag pin remains free and can be used for other applications
(see Table 2-12).
Table 2-12. JP13 Settings
LCD Backlight
Controlled via AD7879 GPIO
Controlled via
GPIO3
Blackfin Landscape LCD EZ-Extender Manual
flag pin for LCD con-
GPIO3
JP13 Setting
JP13.1 and JP13.2 (default)
and
JP13.2 JP13.3
2-11