Atmel AT91SAM7L-STK Manuel d'utilisateur télécharger pdf (Page 12)

Board Description

3-4 AT91SAM7L-STK Rev. A Starter Kit User Guide

6409A–ATARM–30-Jun-08

3.3 Memory

 6 Kbytes of Internal single-cycle access High-speed SRAM

 64/128 Kbytes of Internal single-cycle access High-speed Flash

3.4 Clock Circuitry

 32.768 KHz standard crystal for the oscillator

3.5 Reset Circuitry

 Internal reset controller with a bi-directional reset pin

 External reset push button

3.6 Shut Down controller

 Programmable shutdown and Wake-Up

 Wake-up push button.

3.7 Power Supply Circuitry

 For dynamic power consumption, the AT91SAM7L64/128 consumes a maximum of 30 mA on VCC at

full speed 36MHz

 On board 2 AAA batteries or 3V DC input power pad directly supplied to VCC

3.8 User Interface

 Five user- input push buttons, four direction buttons and one ok button

3.9 Debug Interface

 20-pin JTAG/ICE interface connector

 One Serial interface (DBGU COM Port) via RS-232 DB9 male socket

3.10 Expansion Slot

 One ZIGBEE expansion connector for Atmel AT86RF230 adaptor

 All PIOC signals of the AT91SAM7L64/128 are routed to peripheral extension connector (J6). This

allows the developer to add external hardware components or boards.

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Atmel AT91SAM7L-STK Manuel d'utilisateur Page 12