SAM9N12/CN11-EK User Guide
4-3
11186A–ATARM–29-Nov-12
– SD/MMC interface
Communication
– One Ethernet Physical Transceiver Layer with RJ45 connector
– UART DBGU port with level shifter IC
– JTAG/ICE port
– USB Host and Device
– ZigBee
®
Add-on Display Module
– TFT LCD module with touch screen
– QTouch
®
elements for user QTouch: K1 to K4
Audio CODEC with input stereo headphone and microphone
On-board power regulation and backup battery
Two user LEDs and one power LED
System buttons: NRST, WKUP, OE_CS
One user button
4.2.2
Interface Connection
The SAM9N12/CN11-EK board includes hardware interfaces such as:
DC power supply (J1)
Backup battery (Bt1)
USB host, type A connector (J2)
USB device, micro B connector (J3)
One Ethernet 10/100 interface through an ETH controller (J16)
DBGU (RX and TX only) connected to a 9-way male RS232 connector (J11)
JTAG, 20 pin IDC connector (J4)
SD connector (J8)
Headphone (J13), line-in (J15), on board mic-phone (mic1)
DM board connection for QTouch and TFT LCD display with touch screen and backlight (J9, J10)
ZigBee connector (J12)
Three IO expansion ports (J5, J6, J7)
Test points (various test points are located throughout the board)
4.2.3
Configuration Items
Power selection switch (SW1)
Push button - NAND/DataFlash OS_CS (PB1)
Push button - NRST, board reset (PB2)
Push button - Wake-up (PB3)
Push button - PB_USER (PB4)