Analog Devices Blackfin Landscape LCD EZ-Extender ADZS-BFLLCD-EZEXT, Руководство пользователя

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Blackfin Landscape LCD EZ-Extender Manual 2-11
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
GPIO3
flag pin for LCD con-
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 JP13 Setting
Controlled via AD7879 GPIO JP13.1 and JP13.2 (default)
Controlled via
GPIO3 JP13.2
and
JP13.3