User manual

Table Of Contents

Board Description

AT91SAM9260-EK Evaluation Board User Guide 3-5

6234C–ATARM–22-Mar-07

3.3 Microcontroller ! One LFBGA 217-ball fitted on board

! One LQFP 208-lead footprint

To try the microcontroller in the LQFP package, the user has to unsolder MN4 and sol-

der the PQFP208 microcontroller on the MN6 footprint.

3.4 Memory ! 32 Kbytes of Internal ROM

! Two 4-KByte Internal SRAM

! Atmel serial DataFlash

! 64 Mbytes of SDRAM memory (32-bit bus width)

! 256 Mbytes of NANDFlash memory (8-bit bus width)

! TWI serial EEPROM

3.5 Clock Circuitry ! 18.432 MHz standard crystal for the embedded oscillator

! Selectable 32768Hz Low-power external standard crystal Oscillator or Internal Low

Power RC Oscillator

3.6 Reset Circuitry ! Internal reset controller with bi-directional reset pin

! External reset pushbutton

3.7 Shutdown

Controller

! Programmable shutdown and Wake-Up

! Wake-up push button

3.8 Power Supply

Circuitry

! On-board 1.8V High Efficiency step-down charge pump regulator with shutdown

control

! On-board 3.3V linear regulator with shutdown control

3.9 Remote

Communication

! One serial interface (DBGU COM Port) via RS-232 DB9 male socket

! One complete modem serial interface (COM Port 0) via RS-232 DB9 male socket

! One additional serial interface (COM Port 1) with RTS/CTS handshake control via

RS-232 DB9 male socket

! USB V2.0 full-speed compliant, 12 Mbits per second (UDP)

! Two

(1)

USB Host ports V2.0 full-speed compliant, 12 Mbits per second (UHP)

! One Ethernet 100-base TX with three status LEDs