Manuale d’uso / di manutenzione del prodotto AT91SAM9XE-EK del fabbricante Atmel
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6311A–ATARM–04-Feb-08 AT91SAM9XE-EK Evaluation Board ............... ........................................................... ..................
AT91SAM9XE-EK Evaluati on Board User G uide i 6311A–ATARM–04-Feb-08 T able of Contents Section 1 Overview ............. ................ ................. ................ ................. ............................ ......... 1-1 1.1 Scope ....
Table of Contents (Continue d) ii AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 4.3 Microcontro ller Clock .......................... ................. ................ ................ ................ ............ .. 4-2 4.4 Memory Con figuration .
AT91SAM9XE-EK Evaluati on Board User G uide 1-1 6311A–ATARM–04-Feb-08 Section 1 Overview 1.1 Scope The AT91SAM9XE-EK evaluation kit enables the evaluatio n of and code developme nt for applications running on an AT91SAM9XE device. This guide focuses on the AT91SAM9XE-EK board as an evaluation platfo rm.
1-2 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 two user inpu t push buttons one Wak eup input push button one reset push button one DataFlash, SD/ MMC card s.
AT91SAM9XE-EK Evaluati on Board User G uide 2-1 6311A–ATARM–04-Feb-08 Section 2 Setting Up the AT91SAM9XE-EK Board 2.1 Electrostatic Warning The AT91SAM9XE-EK eva luation board is shipped in protective anti-static pa ckaging. The board must not be subjec ted to high electr ostatic potentia ls.
2-2 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 Figure 2-1. AT91SAM9XE-EK Layout-Top View.
AT91SAM9XE-EK Evaluati on Board User G uide 2-3 6311A–ATARM–04-Feb-08 Figure 2-2. AT91SAM9XE-EK Layout - Bottom View.
2-4 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 2.4 Powering Up the Board The AT91SAM9XE-EK re quires 5V DC (±5%) . DC power is supplied to the board via t he 2.1 mm by 5.5 mm socket J 1. Coaxial plug center positive standard.
AT91SAM9XE-EK Evaluati on Board User G uide 2-5 6311A–ATARM–04-Feb-08 2.7 AT91SAM9XE-EK Block Diagram Figure 2-3. AT91SAM9XE-EK Block Diagram.
AT91SAM9XE-EK Evaluati on Board User G uide 3-1 6311A–ATARM–04-Feb-08 Section 3 Board Description 3.1 AT91SAM9XE 512/256/ 128 Microcontroller • Incorporates the ARM926EJ-S ™ ARM ® Thumb ® Pr.
3-2 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 • Fully-featured System Contro ller , including – Reset Contro ller , Shutdown Contr oller – Four 32-bit Battery Backup .
AT91SAM9XE-EK Evaluati on Board User G uide 3-3 6311A–ATARM–04-Feb-08 • T wo T w o-wire Interfaces (TWI) – Master , Multi-master an d Slave Mode Operation – General Call Su pported in Slave Mode – Connection to PDC Channel to Optimiz e Data T ransf ers in Master Mode On ly • IEEE ® 1149.
3-4 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 3.2 Block Diagram Figure 3-1. AT91SAM9XE512/256/12 8 Block Diagram ARM926EJ-S Processor JTAG Selection and Boundary Scan In-Ci.
AT91SAM9XE-EK Evaluati on Board User G uide 3-5 6311A–ATARM–04-Feb-08 3.3 Microcontroller One LFBGA 217-ball de vice fitted on board One LQFP 208-lead de vice f ootpr int To use the micr ocontroller in the LQFP package, th e user has to unsolder MN4 and solder the PQ FP208 microcontroller on the MN6 footprin t.
3-6 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 so cke t USB V2.0 full-speed compliant, 12 Mbits per second (UDP) Tw o (1) USB Host por ts V2.0 full-speed co mpliant, 12 Mbits per second (UHP ) One Ethernet 100-base TX with three status LEDs 3.
AT91SAM9XE-EK Evaluati on Board User G uide 3-7 6311A–ATARM–04-Feb-08 3.14 PIO Usage Table 3-1. PIO Controller A I/O Line P eripheral A P eripheral B Comments Function P A0 SPI0_MISO MCDB0 SPI D A T AFLASH, SPI/MCI SD/MMC/DA T AFLASH Slot P A1 SPI0_MOSI MCCDB (P A0.
3-8 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 Table 3-2. PIO Controller B I/O Line P eripheral A P eripheral B Comments Function PB0 SPI1_MISO TIOA3 Audio D AC A T73C213 (M.
AT91SAM9XE-EK Evaluati on Board User G uide 3-9 6311A–ATARM–04-Feb-08 Table 3-3. PIO Controller C I/O Line Peripheral A P eripheral B Comments Function PC0 AD0 SCK3 PC1 AD1 PCK0 A udio D AC A T73C.
AT91SAM9XE-EK Evaluati on Board User G uide 4-1 6311A–ATARM–04-Feb-08 Section 4 Configuration 4.1 Jumpers Notes: 1. These jumpers are provided for power consumption measurement. By default, they are closed. To use this feat ure, the user has t o open the strap and inse rt an ammeter.
4-2 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08 4.2 JTAG/ICE 4.3 Microcontroller Clock 4.4 Memory Configuration Table 4-2. JTAG/ICE Configuration Designation Default Setting Feature S1 Opened Disables the ICE NTRST input S2 Opened Selects ICE mode or JT A G mode S3 Opened Disables TCK <-> R TCK local loop .
AT91SAM9XE-EK Evaluati on Board User G uide 4-3 6311A–ATARM–04-Feb-08 4.5 Ethernet RMII is the factory defau lt mode. To evaluate the MI I mode, the user has to unsolder R49, R50, R127, close S7, S8 and populate R119 to R126, C88, C89, Y4. 4.6 Miscellaneous Refer to the TOP level sch ematic for the PIO usag e.
AT91SAM9XE-EK Evaluati on Board User G uide 5-1 6311A–ATARM–04-Feb-08 Section 5 Schematics 5.1 Schematics This section contains the following schematics: Board Diagr am - Schematic T op Le vel.
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AT91SAM9XE-EK Evaluati on Board User G uide 6-1 6311A–ATARM–04-Feb-08 Section 6 Revision History 6.1 Revision History Table 6-1. Document Comments Change Request Ref.
6-2 AT91SAM9XE-EK Evaluati on Board Use r Guide 6311A–ATARM–04-Feb-08.
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Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Atmel AT91SAM9XE-EK è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Atmel AT91SAM9XE-EK - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Atmel AT91SAM9XE-EK imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Atmel AT91SAM9XE-EK ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Atmel AT91SAM9XE-EK, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Atmel AT91SAM9XE-EK.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Atmel AT91SAM9XE-EK. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Atmel AT91SAM9XE-EK insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
