Emerson Motorola MVME162, User Manual

Page: 10 / 108

ix
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