AT91MEC01 Atmel, AT91MEC01 Datasheet

no-image

AT91MEC01

Manufacturer Part Number
AT91MEC01
Description
AT91 MEMORY EXTENSION CARD
Manufacturer
Atmel
Datasheet

Specifications of AT91MEC01

Accessory Type
Memory Extension Card
For Use With/related Products
AT91 ARM Thumb MCU Evaluation Board
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AT91MEC01 Memory
Extension Card
.............................................................................
User Guide

Related parts for AT91MEC01

AT91MEC01 Summary of contents

Page 1

... AT91MEC01 Memory Extension Card ............................................................................. User Guide ...

Page 2

...

Page 3

... Layout .......................................................................................................2-1 2.4 Jumper Settings ........................................................................................2-2 2.5 Connecting the Card to an AT91 Evaluation Board ..................................2-2 Section 3 Memory Mapping with AT91MEC01 ..................................................... 3-1 3.1 Memory Organization................................................................................3-1 3.2 Configuring the AT91 Evaluation Board EBI.............................................3-2 3.2.1 MCU Chip Select Registers 0 and 1...................................................3-2 3 ...

Page 4

Table of Contents ii ...

Page 5

... Section 6 features the schematics for the AT91MEC01.  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. To use the card and its software, the user needs to provide a host computer and a debugging system ...

Page 6

... Four 512K x 8 SRAM devices – with 15 ns access time, for a total of 2M bytes wait state Thumb instruction fetch address space (in nominal conditions) Figure 1-1. Memory Extension Card 01 Block Diagram 512K 512K 512K SRAM SRAM SRAM EBI Extension Slot 512K x 8 AT498011 SRAM 1 MB Flash AT91MEC01 User Guide AT491604 2 MB Flash ...

Page 7

... Layout AT91MEC01 User Guide Setting Up the AT91MEC01 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 should be worn when handling the board. Avoid touching the component pins or any other metallic element. ...

Page 8

... Connect the plug on the EBI extension slot into the socket on the MEC01 AT91 evalua- tion board. 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 1 MN1 MEC01 J1 ...

Page 9

... Memory Organization AT91MEC01 User Guide Memory Mapping with AT91MEC01 The memory banks on the AT91MEC01 are organized as shown in Figure 3-1. Figure 3-1. Memory Organization D0-D15 E1 RDY/BSY J1 P25/MCKO NRD/NOE A0/NLB NWR0/NWE NWR1/NUB NRST A1-A20 E2 NCS0 NCSFLASH0 E3 NCS2 E4 NCS0 NCSFLASH1 E5 NCS3 CS4/A23 E7 NCSB0 ...

Page 10

... On the AT91EB63, make sure the E3 link is open by cutting the wire the AT91EB42 and AT91EB55, make sure the CB9 link is open by cutting the wire the AT91MEC01, enable the required Flash with NCS0 by closing link E2 for Flash  0 or link E4 for Flash 1. AT91MEC01 User Guide ...

Page 11

... C source code for Flash downloader C source code for Flash eraser Flash Downloader Project file for Flash downloader for ARM Software Development Toolkit, V2.5 and Aspex The script file for the ARM SDT V2.5 debugger that enables AT91MEC01 memory mapping An example 4-1 ...

Page 12

... Using the Flash Downloader 4-2 AT91MEC01 User Guide ...

Page 13

... AT91MEC01 Link Description AT91MEC01 User Guide The following table explains the links for the AT91MEC01. Table 5-1. Link Descriptions Link Name Position Description Open The microcontroller cannot read the Ready/Busy signal from Flash 1. E1 Closed The microcontroller reads the Ready/Busy signal from Flash 1 on pin MCKO ...

Page 14

... Appendix A – Links 5-2 AT91MEC01 User Guide ...

Page 15

... AT91MEC01 User Guide 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 Section 6 6-1 ...

Page 16

... Appendix B – Schematics Figure 6-1. AT91MEC01 PCB Layout 6-2 AT91MEC01 User Guide ...

Page 17

... Figure 6-2. AT91MEC01 EBI Connector and Flash AT91MEC01 User Guide Appendix B – Schematics 6-3 ...

Page 18

... Appendix B – Schematics Figure 6-3. AT91MEC01 SRAM Banks 6-4 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. ...

Related keywords