Board Description; Equipment On The Board; Interfaces - Atmel AT91SAM9G45-EKES User Manual

4.1

Equipment on the Board

Figure 4-1. Board Architecture
Main Memory
DDR2
SDRAM
EBI0
EBI0
External Memory
External Memory
System Controller
System Controller
Image Sensor
Image Sensor
Interface
Interface
Power /
Shdn
oooooooo
oooooooo
VCC 5V
4.1.1

Interfaces

The board is equipped with a SAM9G45-CU chip (324-ball TFBGA package) together with the following
interfaces or peripherals:
DDR2/LPDDR memory interface is connected to 128 MB DDR2-SDRAM memory
External Bus Interface (EBI) is connected to three kinds of memory devices (DDR2-SDRAM, NAND
Flash and NOR Flash (not populated))
AT91SAM9G45-EKES User Guide
PARALLEL
FLASH
DDR2
SDRAM
NAND
8 bits
FLASH
interface
SD/MMC
MCI1
EBI1 / 1.8v
MCI1
EBI1 / 1.8v
Multimedia Cards Interface
Multimédia Cards Interface
ETHERNET
ETHERNET
10/100 MAC
TWI
10/100 MAC
TWI
Serial
Eeprom
PHY RMII
ISI Ethernet RMII/MII
Multimedia cards
Data
Flash
4 bits
interface
Touch
SD/MMC
Screen
SPI0
MCI0
SPI0
MCI0
AT91SAM9G45
AT91SAM9M10
USART
USART
Host A
Host A
RS232
RS232 USB Hub
High / Full

Board Description

LCD TFT Vidéo Audio
LCD TFT
Micro
LCD TFT
480*272
480*272
Line In
Touch
Line Out
Screen
Composite
Codec
video
AC97
LCD Interface AC97
LCD Interface
USB DEBUG
USB DEBUG
DBGU JTAG/ICE
Host B Device
Host B Device
oooooooo
oooooooo
USB DBGU
Hub / Device
Section 4
User I/O
Joystick
& P.B
Led
PWM
PWM
PIO
PIO
oooooooo
oooooooo
JTAG/ICE PIO
4-1
6481B–ATARM–27-Nov-09