Features List; Function Blocks; Processor; Memory - Atmel SAM3N-EK User Manual

Evaluation Kit Hardware
4.2

Features List

Here is the list of the main board components and interfaces:
SAM3N4C QFP chip with optional socket footprint
12 MHz crystal
32.768 KHz crystal
32-Megabit Serial DataFlash
2.0 inch TFT color LCD display with backlight
UART port with level shifter IC
Micro SD interface
Reset buttons: NRST
User buttons: Left and Right
QTouch
JTAG port
On-board power regulation
Two user LEDs
Power LED
ZigBee
2x32 bit PIO connection interfaces (PIOA, PIOC) and 1x15 bit PIO connection interface (PIOB)
4.3

Function Blocks

4.3.1

Processor

The SAM3N-EK is equipped with a SAM3N4C device in LQFP100 package.
4.3.2

Memory

The SAM3N4 chip embeds:
256 Kbytes of embedded Flash
24 Kbytes of embedded SRAM with dual bank
16 Kbytes of ROM with embedded BootLoader routines (UART) and In-Application Programming
functions (IAP) routines.
The SAM3N-EK features an external DataFlash through SPI bus
Figure 4-2.
NPCS3 chip select signal is used for DataFlash chip selection.
4-2
11080C–ATARM–30-Mar-11
®
buttons: Left, Right, and Slider
®
connector
DataFlash
NPCS_DATAFLASH
SPI CLK
SPI MOSI
SPI MISO
+3V3
MN7 MN7
R27 R27
AT25DF321 AT25DF321
47K 47K
1
PA22
NCS
6
PA14 R28 R28 0R 0R
SCK
5
PA13
SI
2
PA12 R29 R29 10R 10R
SO
+3V3
R31 R31 0R 0R 3
NWP
R32 R32 0R 0R 7
NHOLD
DATA FLASH
SAM3N-EK Development Board User Guide
+3V3
8
VCC
C35 C35
100nF 100nF
4
GND
DGND