User`s manual

DemoKit-LG2 User’s Manual
8
3.6 SW3 Navigation Switch
The SW3 navigation switch connects to the MCU’s key interrupt port and operates in five directions,
including from the center pushbutton (Figure 4).
SW3 Connection to Microcontroller
Left P73/KR3
Down P71/KR1
Select P74/KR4
Right P72/KR2
Up P70/KR0
Figure 4. SW3 Navigation Switch
Down (KR1)
Up (KR0)
Right
(KR2)
Left
(KR3)
Select
(KR4)
Down (KR1)
Up (KR0)
Right
(KR2)
Left
(KR3)
Select
(KR4)