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CHAPTER 4 FUNCTIONAL DESCRIPTION
Introduction ................................................................................................................ 4-1
MVME162 Functional Description .......................................................................... 4-1
Data Bus Structure.............................................................................................. 4-1
MC68040/MC68LC040 MPU............................................................................4-2
EPROM and Flash Memory............................................................................... 4-2
SRAM....................................................................................................................4-2
About the Battery......................................................................................... 4-3
Onboard DRAM.................................................................................................. 4-4
Battery Backed Up RAM and Clock................................................................. 4-5
VMEbus Interface and VMEchip2.................................................................... 4-5
I/O Interfaces ...................................................................................................... 4-5
Serial Communications Interface .............................................................. 4-5
IndustryPack (IP) Interfaces....................................................................... 4-8
Ethernet Interface......................................................................................... 4-8
SCSI Interface ............................................................................................... 4-9
SCSI Termination......................................................................................... 4-9
Local Resources................................................................................................... 4-9
Programmable Tick Timers...................................................................... 4-10
Watchdog Timer ........................................................................................ 4-10
Software-Programmable Hardware Interrupts..................................... 4-10
Local Bus Timeout.....................................................................................4-10
Timing Performance......................................................................................... 4-10
Local Bus to DRAM Cycle Times ............................................................ 4-11
EPROM/Flash Cycle Times ..................................................................... 4-11
SCSI Transfers ............................................................................................ 4-11
LAN DMA Transfers................................................................................. 4-12
Remote Status and Control.............................................................................. 4-12
APPENDIX A SERIAL INTERCONNECTIONS
Introduction ...............................................................................................................A-1
EIA-232-D Connections............................................................................................A-1
Interface Characteristics....................................................................................A-3
EIA-530 Connections ................................................................................................A-4
Interface Characteristics....................................................................................A-6
Proper Grounding.....................................................................................................A-8