Motorola MVME1X7P - Manual (Page 30)

1-4 Computer Group Literature Center Web Site
Programming Issues
1
Applicable Industry Standards
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
Block Diagram
Figure 1-1 and Figure 1-2 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 ( SCON ), LAN Activity (LAN) , LAN Power ( +12V ), SCSI
Activity (SCSI) , VME Activity (VME)
Table 1-1. MVME1X7P Features Summary (Continued)
Feature MVME167P MVME177P