Board Description
4-22
AT91SAM9M10-G45-EK User Guide
6495B–ATARM–21-Apr-10
4.2.14
Push Buttons
The SAM9M10-G45-EK is equipped with two system push buttons, two user push buttons and one joy-
stick. The push buttons consist of momentary push button switches mounted directly to the board. When
any switch is depressed, a low (zero) appears at the associated input pin.
System push buttons:
– Reset, perform system reset
– Wakeup, perform system wake up
User push button:
– Right click
– Left click
Joystick:
– One touch, 5-way switching,
– Normally open momentary contacts,
– Push down to select in any position.
Figure 4-20.
Push Buttons
4.2.15
Expansion Slot
GPIO1 & GPIO2, LCD signals (PIO E) are routed to the connectors extension J23
All I/Os of the SAM9M10 Image Sensor Interface are routed to connectors J17
Touch screen signals and analog I/O are connected to J18
This allows the developer to extend the features of the board by adding external hardware components
or boards.
VDDBU
3
V
3
NR
S
T
WAKE UP
PB7
PB6
RIGHT CLICK
WAKE UP
NR
S
T
LEFT CLICK
BP5
BP5
C
3
7
10n
C
3
7
10n
R24
1k
R24
1k
BP2
BP2
R29
100R
R29
100R
R2
3
100k
R2
3
100k
BP4
BP4
R27
100R
R27
100R
BP1
BP1
C
3
1
10n
C
3
1
10n
