Atmel ATSAM3U-EK Data Sheet
![Atmel](https://files.manualsbrain.com/attachments/0369829915bda09f9c2e00fb805a7753579683b5/common/fit/150/50/8d2bf08978ec3e5bc63f4343ac5e91ce8d0e40045619fa520d910d64af8f/brand_logo.png)
SAM3U-EK Evaluation Kit User Guide
4-1
6478E–ATARM–30-Mar-11
Section 4
Evaluation Kit Hardware
4.1
Board Overview
This section introduces the Atmel SAM3U Evaluation Kit design. It introduces system-level concepts,
such as power distribution, memory, and interface assignments.
such as power distribution, memory, and interface assignments.
The SAM3U-EK board is based on the integration of an ARM
®
Cortex
®
-M3 processor with on-board fast
PSRAM (pseudo-static RAM), NAND Flash and a set of popular peripherals. It is designed to provide a
high performance processor evaluation solution with high flexibility for various kinds of applications.
high performance processor evaluation solution with high flexibility for various kinds of applications.
Figure 4-1.
SAM3U-EK Block Diagram
PIO
SAM3U-LQFP144
SAM3U
SWJ-DP
UART
System Controller
System Controller
External Memory
External Memory
EBI / 3.3v
EBI / 3.3v
PSRAM
NAND
FLASH
Multimédia Cards Interface
Multimedia Cards Interface
MCI
MCI
USART
USART
USB
USB
Device
Device
PIO
PIO
TWI
TWI
oooooooo
oooooooo
oooooooo
4/8 bits
interface
SD/MMC
Micro
Line In
HeadPh
oooooooo
oooooooo
oooooooo
LCD TFT
240 * 320
LCD TFT
240 * 320
PWM
PWM
RS232
Codec
WM8731
Led
User I/O
Audio
Multimedia Card
TFT LCD
Main Memory
Touch
Screen
Touch
Screen
BNC * 2
VCC 5V
JTAG
RS232
USB Device
High / Full
RS232
ZIGBEE
T°
Power /
Shdn
Push Btn
ADS7843
ADS7843
HX8347
HX8347
SPI
SPI
CD
SSC
SSC
ooooo
ooooo
ooooo
ZIGBEE
ZIGBEE
Analog
Analog
TWI
TWI
MCP9800
Back Light
AAT3194
RS232