Board Interface Connection; Push Button Switches - Atmel AT91SAM9G45-EKES User Manual

Board Description
One TWI serial memory
One USB Host/Device multiplexed port interface
One USB Host port interface
One RS232 serial communication port
One DBGU serial communication port
One JTAG/ICE debug interface
One Ethernet 100-base TX with three status LEDs
One AC97 Audio DAC with headphone line out, line in and mono/stereo micro inputs
One TV interface (composite video output)
One 4.3" TFT LCD Module with touch screen and back light
One ISI connector (camera interface)
One Power red LED and two general-purpose green LEDs
Two user input push buttons
One joystick with 4-direction control and selector
One Wakeup input push button
One reset input push button
One DataFlash®/SD/SDIO/MMC plus card slot (4/8 bit interface)
One SD/SDIO/MMC card slot (4-bit interface)
One Lithium Coin Cell Battery Retainer for 12 mm cell size (memory backup usage)
4.1.2

Board Interface Connection

Ethernet using RJ45 connector (J15)
USB Host, support USB host using a type A connector (J12)
USB Host/Device, support USB host/device using a type micro AB connector (J14)
UART1 (Rx, Tx, Rts, Cts) connected to a 9-way male D-type RS232 connector (J11)
DBGU (Rx and Tx only) connected to a 9-way male D-type RS232 connector (J10)
JTAG, 20 pin IDC connector (J13)
SD/MMCplus connector (J5)
SD/MMC connector (J6)
Headphone (J7), line-in (J8) and microphone headset (J9)
Speaker output (JP15)
Image sensor connector (J17)
TFT LCD display (J16), with TouchScreen (J19) and BackLigth (J21)
Test points; various test points are located throughout the board
Main power supply (J2)
4.1.3

Push Button Switches

Reset, board reset (BP1)
Wake up, push button to bring processor out of low power mode (BP2)
Right and left click, user push button switches (BP4 and BP5)
Joystick (BP3)
4-2
6481B–ATARM–27-Nov-09
AT91SAM9G45-EKES User Guide