GreenPAK Universal
Development Board
Silego Technology Inc.
www.silego.com
10/13/2014
Pin signal sources/loading schematics:
Set to VDD
Set to VDD
Set to GND
Set to GND
Pull up
Pull up
Pull down
Pull down
Button pressed
Button pressed
Button released
Button released
Button with different
configurations
Button
VDD
– HI-Z
Button
HI-Z - GND
Button
VDD - GND
Button
Pull up - Pull down
Button
Pull up - GND
Button
VDD
– Pull down