Motorola MVME1X7P User Manual

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Computer Group Literature Center Web Site

Programming Issues

These boards conform to the requirements of the following documents: 

❏

VMEbus Specification (IEEE 1014-87) 

❏

EIA-232-D Serial Interface Specification, EIA 

❏

SCSI Specification, ANSI 

 and 

 are general block diagrams of the MVME167P 

and MVME177P single-board computers.

VMEbus 
interface 

VMEbus system controller functions 

VMEbus-to-local-bus interface (A32/A24, D32/D16/D8)

Local-bus-to-VMEbus interface (A16/A24/A32, D8/D16/D32) 

Programmable interrupter and interrupt handler

Global Control/Status register for interprocessor communications 

DMA capability for fast local-memory/VMEbus transfers (A16/A24/A32, 
D16/D32 (D16/D32/D64 BLT)

Switches 

Two pushbutton switches 

(ABORT

 and 

RESET) 

Status Indicators

Eight LEDs: Board Fail

 (FAIL)

, CPU Status

 (STAT)

, CPU Activity

 (RUN)

, 

System Controller (

), LAN Activity

 (LAN)

, LAN Power (

), SCSI 

Activity

 (SCSI)

, VME Activity

 (VME)