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Summary of Contents for Atmel AT91MEC01
- Page 1 AT91MEC01 Memory Extension Card ................User Guide...
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Page 3: Table Of Contents
Section 1 Overview....................1-1 Scope......................1-1 Deliverables ....................1-1 System Requirements................1-1 The AT91MEC01 ..................1-2 Section 2 Setting Up the AT91MEC01 ..............2-1 Electrostatic Warning ................2-1 Requirements....................2-1 Layout .......................2-1 Jumper Settings ..................2-2 Connecting the Card to an AT91 Evaluation Board ........2-2 Section 3 Memory Mapping with AT91MEC01 ............. - Page 4 Table of Contents...
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Page 5: Overview
Section 6 features the schematics for the AT91MEC01. Deliverables The AT91MEC01 is delivered with a connector that connects the card to the AT91 eval- uation boards, and a CD-ROM that contains, in particular, a software toolkit and the documentation to program the Flash devices on the board. -
Page 6: The At91Mec01
Thumb instruction fetch address space (in nominal conditions) Figure 1-1. Memory Extension Card 01 Block Diagram EBI Extension Slot 512K 512K 512K 512K AT491604 AT498011 2 MB SRAM SRAM SRAM SRAM 1 MB Flash Flash AT91MEC01 User Guide... -
Page 7: Setting Up The At91Mec01
Section 2 Setting Up the AT91MEC01 Electrostatic The AT91MEC01 is shipped in protective anti-static packaging. The board must not be subjected to high electrostatic potentials. A grounding strap or similar protective device Warning should be worn when handling the board. Avoid touching the component pins or any other metallic element. -
Page 8: Jumper Settings
Match pin 1 on the MEC01 to the square connector located on the MN1 side of the J1 connector. Pin 1 of the EBI extension slot is marked on the board. Figure 2-2. Connecting the AT91MEC01 to the AT91 Evaluation Board Power MEC01... -
Page 9: Memory Mapping With At91Mec01
Section 3 Memory Mapping with AT91MEC01 Memory The memory banks on the AT91MEC01 are organized as shown in Figure 3-1. Organization Figure 3-1. Memory Organization D0-D15 NCSFLASH0 AT49BV1604 D0-D15 A1-A20 D0-D15 RDY/BSY NCSFLASH1 AT49BV1614 RDY/BSY P25/MCKO A1-A20 NRD/NOE A0/NLB NWR0/NWE... -
Page 10: Configuring The At91 Evaluation Board Ebi
A23/CS4 to be driven as chip select lines. Configuring the In order to boot from either Flash memory on the AT91MEC01, all devices connected to NCS0 on the AT91 evaluation board must be disabled. To do this: EBI to Boot from... -
Page 11: Using The Flash Downloader
Software\Tools\ Aspex Flash_AT91 mec_map (no extension, The script file for the ARM SDT V2.5 script file) debugger that enables AT91MEC01 memory mapping program (no extension, An example script file) Installation and The following files are available in the tutorial folder: •... - Page 12 Using the Flash Downloader AT91MEC01 User Guide...
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Page 13: Appendix A - Links
Section 5 Appendix A – Links AT91MEC01 Link The following table explains the links for the AT91MEC01. Description Table 5-1. Link Descriptions Link Name Position Description Open The microcontroller cannot read the Ready/Busy signal from Flash 1. Closed The microcontroller reads the Ready/Busy signal from Flash 1 on pin MCKO. - Page 14 Appendix A – Links AT91MEC01 User Guide...
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Page 15: Appendix B - Schematics
Section 6 Appendix B – Schematics The following schematics are appended: Figure Figure 6-1 AT91MEC01 PCB Layout Figure Figure 6-2 AT91MEC01 EBI Connector and Flash Figure Figure 6-3 AT91MEC01 SRAM Banks AT91MEC01 User Guide... - Page 16 Appendix B – Schematics Figure 6-1. AT91MEC01 PCB Layout AT91MEC01 User Guide...
- Page 17 Appendix B – Schematics Figure 6-2. AT91MEC01 EBI Connector and Flash AT91MEC01 User Guide...
- Page 18 Appendix B – Schematics Figure 6-3. AT91MEC01 SRAM Banks AT91MEC01 User Guide...
- Page 19 No licenses to patents or other intellectual prop- erty of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical components in life suppor t devices or systems.
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