15
3 .2
3 .2
GPO
H e a de r
GPO H e a de r
The board provides 8 GPO interface pins for host communication plus one GPO for generating an
interrupt for host controller. The GPO header share pin connection with LED interface, as a result
only one can be used.
shows the block diagram for the Encoded Keyscan GPO interface.
Figure 3-4 Encoded Keyscan GPO Interface Block Diagram