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MVME5100 Single Board Computer Programmer's Reference Guide

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Address Parity Error Log Register ............................................................3-71<br />

Address Parity Error Address Register......................................................3-72<br />

32-Bit Counter ...........................................................................................3-73<br />

External Register Set .................................................................................3-73<br />

tben Register..............................................................................................3-74<br />

Software Considerations ..........................................................................................3-75<br />

Programming ROM/Flash Devices...................................................................3-75<br />

Writing to the Control Registers .......................................................................3-75<br />

Initializing SDRAM Related Control Registers ...............................................3-76<br />

SDRAM Speed Attributes .........................................................................3-76<br />

SDRAM Size .............................................................................................3-77<br />

I2C EEPROMs ..........................................................................................3-77<br />

SDRAM Base Address and Enable ...........................................................3-77<br />

SDRAM Control Registers Initialization Example ...................................3-78<br />

Optional Method for Sizing SDRAM........................................................3-84<br />

ECC Codes...............................................................................................................3-87<br />

CHAPTER 4 Hawk Programming Details<br />

Introduction................................................................................................................4-1<br />

PCI Arbitration...........................................................................................................4-1<br />

Hawk MPIC External Interrupts .........................................................................4-1<br />

8259 Interrupts....................................................................................................4-3<br />

Exceptions..................................................................................................................4-5<br />

Sources of Reset..................................................................................................4-5<br />

Soft Reset............................................................................................................4-5<br />

CPU Reset...........................................................................................................4-5<br />

Error Notification and Handling.........................................................................4-6<br />

Endian Issues .............................................................................................................4-7<br />

Processor/Memory Domain ................................................................................4-9<br />

MPIC’s Involvement...........................................................................................4-9<br />

PCI Domain ........................................................................................................4-9<br />

APPENDIX A Related Documentation<br />

Motorola <strong>Computer</strong> Group Documents ....................................................................A-1<br />

Manufacturers’ Documents.......................................................................................A-2<br />

Related Specifications...............................................................................................A-4<br />

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