Atmel SAM3N-EK User Manual page 33

5
REVISION HISTORY
D
REV DATA NOTE
A 2010.03.04 ORIGINAL RELEASED
TABLE OF CONTENTS
PAGE DESCRIPTION
C 1 Block Diagram
2 Reference guide
3 Microcontroller, Power
Data Flash, Micro SD, LCD, BL Driver,
4
JTAG, RS232
IO Expansion, Buzzer, ZigBEE, LEDs,
5
Buttons, QTouch
PIO MUXING
B
PIOA USAGE PIOA USAGE
PA0 POWER LED PA16 PB_USER2
PA1 CMD_SOUND PA17
PA2 PA18
PA3 PA19 MicroSD_CD
PA4 PA20
PA5 PA21
PA6 PA22 NPCS_DATAFLASH
PA7 XIN32 PA23 LED_BLUE
PA8 XOUT32 / ADTRG PA24
PA9 RX_UART0 PA25 LED_AMBER
PA10 TX_UART0 PA26
PA11 PA27
PA12 SPI_MISO PA28 RS_LCD
A
PA13 SPI_MOSI PA29 RST_LCD
PA14 SPI_SPCK PA30 NPCS_LCD
PA15 PB_USER1 PA31 NPCS_ZigBee
5
4
SCHEMATICS CONVENTIONS
(1) Resistance Unit: "K" is "Kohm", "R" is "Ohm?
(2) "DNP" means the component is not populated
by default
TEST POINT
PAGE REFERENCE FUNCTION
TP1 +5V
3 TP2 +3V3
TP3, TP4, TP5 GND
4 TP6 UTXD0
TP7 URXD0
PIOB USAGE PIOC USAGE
PB0 PC0 QT_SL_SNS
PB1 PC1 QT_SL_SNSK
PB2 PC2 QT_SM_SNS
PB3 PC3 QT_SM_SNSK
PB4 JTAG PC4 QT_SR_SNS
PB5 JTAG PC5 QT_SR_SNSK
PB6 JTAG PC6
PB7 JTAG PC7
PB8 XOUT_12M PC8 QT1_SNS
PB9 XIN_12M PC9 QT1_SNSK
PB10 PC10 QT2_SNS
PB11 PC11 QT2_SNSK
PB12 ERASE PC12
PB13 PC13 EN_LCD
LED_GREEN
PB14 PC14
PC15
4
3
JUMPER and SOLDERDROP
PAGE REFERENCE DEFAULT
JP1 DNP
JP2 1-2
JP3 OPEN
3 JP4 CLOSE
JP5 CLOSE
JP6 CLOSE
JP7 CLOSE
5 JP8
1-2
JP9
DEFAULT NO POPULATE PARTS
PIOC USAGE PAGE REFERENCE
PC16
Y1, R1, R7
PC17
JP1
PC18 3
R6, R8
PC19
R4, R9
PC20
PC21
S1, K1, K2
5
PC22
PC23 ZB_RSTN
PC24 ZB_IRQ0
PC25 ZB_IRQ1
PC26 ZB_SLPTR
PC27
PC28
PC29
PC30
PC31
3
2 1
FUNCTION
Close to select JTAG boundary scan
Analog reference voltage selection between 3.3V and 3V,
default 3.3V
ERASE, Close to reinitialize the Flash contents and
some of its NVM bits
Access for current measurement on VDDIO
Access for current measurement on VDDIN
Access for current measurement on VDDPLL
Access for current measurement on VDDCORE
DC voltage selection between 3.3V and 5V on PIO
expansion ports, default for 3.3V
FUNCTION
External clock resource input
Option access for JTAGSEL
Isolation between 12MHz clock source and GPIO line
Isolation between 32KHz clock source and GPIO line
QTouch PADs, not real part
B B B
A A A
INIT EDIT INIT EDIT INIT EDIT
REV REV REV MODIF. MODIF. MODIF.
SAM3N-EK SAM3N-EK SAM3N-EK
SCALE SCALE SCALE 1/1 1/1 1/1
Describe Describe Describe
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D
C
B
A
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