Specifications

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Contents
Chapter 1: Product Description
Specifications.................................................................................................................................................... 2
EPC-6A Hardware Features.............................................................................................................................. 2
Differences between the EPC-6 and the EPC-6A............................................................................................. 3
Additional References....................................................................................................................................... 4
Chapter 2: Installation
Determine whether to use the EPC-6A as a system controller ......................................................................... 5
Jumpers...................................................................................................................................................... 6
EPC-6A Insertion.............................................................................................................................................. 6
EXM Module Insertion.............................................................................................................................. 7
VME Backplane Jumpers .......................................................................................................................... 7
Serial Port Cap........................................................................................................................................... 8
Connecting Peripherals to the EPC-8....................................................................................................... 8
Chapter 3: Operation
Initialization Sequence...................................................................................................................................... 9
ROM DOS Interaction...................................................................................................................................... 11
System Reset..................................................................................................................................................... 12
Generating VMEbus SYSRESET.............................................................................................................. 12
Responding to VMEbus SYSRESET........................................................................................................ 12
Front Panel Indicators....................................................................................................................................... 12
Toggle Switch................................................................................................................................................... 13
Setup Utilities ................................................................................................................................................... 13
Remote Setup Utility ........................................................................................................................................ 13
Remote Setup Utility Screens (RSU)................................................................................................................ 13
Main RSU Screen ..................................................................................................................................... 14
Clock/Calendar................................................................................................................................... 14
Drive Configuration................................................................................................................................... 15
VME Control............................................................................................................................................ 16
EXM Bus ................................................................................................................................................... 17
Exit Menu .................................................................................................................................................. 17
Chapter 4: Programming Interface
Memory Map .................................................................................................................................................... 19
I/O Map............................................................................................................................................................. 19
EPC-6A Registers............................................................................................................................................. 23
VMEbus Accesses ............................................................................................................................................ 23
D32 Accesses............................................................................................................................................. 24
Byte Ordering ............................................................................................................................................ 24
Read-Modify-Write Operations................................................................................................................. 25
Slave Accesses from the VMEbus.................................................................................................................... 25
Self Accesses Across the VMEbus............................................................................................................ 25