Table of Contents
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CHAPTER 1
Introduction .............................................................................................................1-1
Overview...........................................................................................................1-1
Related Documentation ..................................................................................1-2
Requirements....................................................................................................1-5
Features .............................................................................................................1-5
Specifications ....................................................................................................1-6
Manual Terminology .......................................................................................1-6
Block Diagram .........................................................................................................1-8
Functional Description ...........................................................................................1-9
Front Panel Switches and Indicators.............................................................1-9
Data Bus Structure .........................................................................................1-10
MC68040 MPU ...............................................................................................1-10
Flash Memory and Download EPROM......................................................1-10
SRAM...............................................................................................................1-11
Onboard DRAM .............................................................................................1-12
Battery Backed Up RAM and Clock............................................................1-13
VMEbus Interface ..........................................................................................1-13
VME Subsystem Bus (VSB) Interface ..........................................................1-13
I/O Interfaces .................................................................................................1-13
Serial Port Interface ................................................................................1-13
MC68230 Parallel Interface/Timer.......................................................1-14
Parallel Port Interface.............................................................................1-15
Ethernet Interface....................................................................................1-15
SCSI Interface ..........................................................................................1-16
SCSI Termination....................................................................................1-16
Local Resources ..............................................................................................1-16
Programmable Tick Timers ...................................................................1-17
Watchdog Timer .....................................................................................1-17
Software-Programmable Hardware Interrupts..................................1-17
Local Bus Timeout ..................................................................................1-17
Connectors ......................................................................................................1-17
Memory Maps .......................................................................................................1-18
Local Bus Memory Map ................................................................................1-18
Normal Address Range .........................................................................1-18
VMEbus Memory Map..................................................................................1-22
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Contents
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Table of Contents
