AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 31

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

6481B–ATARM–27-Nov-09
Board Description
4.2.14
4.2.15
4-22
Push Buttons
Expansion Slot
The SAM9G45-EKES 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.
Figure 4-18.
This allows the developer to extend the features of the board by adding external hardware components
or boards.
System push buttons:
User push button:
Joystick:
GPIO1 & GPIO2, LCD signals (PIO E) are routed to the connectors extension J23
All I/Os of the SAM9G45 Image Sensor Interface are routed to connectors J17
Touch screen signals and analog I/O are connected to J18
– Reset, perform system reset
– Wakeup, perform system wake up
– Right click
– Left click
– One touch, 5-way switching,
– Normally open momentary contacts,
– Push down to select in any position.
Push Buttons
RIGHT CLICK
LEFT CLICK
WAKE UP
NRST
C220
C220
C221
C221
10nF
10nF
10nF
10nF
BP1
BP1
BP2
BP2
BP4
BP4
BP5
BP5
VDDBU
R13
R13
100K
100K
R142
R142
100R
100R
R143
R143
100R
100R
3V3
R14
R14
1K
1K
NRST
WAKE UP
PB7
PB6
AT91SAM9G45-EKES User Guide