P&E Microcomputer Systems XPC560S EVB User Manual - page 18
14
xPC560S EVB User Manual
3.3
Buttons
There are four user buttons available on the xPC56XXMB.
J8 – Buttons Enable
Controls whether the buttons on the xPC56XXMB motherboard are
connected to I/O pins of the processor. The jumpers can be removed and
wires can be used to connect each button to any processor I/O pin, if desired.
Please note that although the schematics indicate that the processor I/O pins
are eMIOSx, those are not the I/O pins for the xPC560S EVB. The table
below has the correct pins listed.
J9 – Buttons Driving Configuration
Selects whether the buttons drive logic high or drive logic low when pressed.
J40 – Buttons Idle Configuration
Jumper Setting
Effect
1+2 (default on)
KEY1 connected to PE0
3+4 (default on)
KEY2 connected to PE1
5+6 (default on)
KEY3 connected to PE2
7+8 (default on)
KEY4 connected to PE3
Jumper Setting
Effect
1+2
When pressed, buttons will send logic high to the
connected I/O pin
2+3 (default)
When pressed, buttons will send logic low to the
connected I/O pin