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Block Diagrams
Figure 1-2 on page 1-7
MVME172.
400/500-Series MVME172.
Functional Description
This section covers only a few specific features of the MVME172.
A complete functional description of the major blocks of the MVME172
Embedded Controller is provided in your MVME172 installation and use
manual.
No-VMEbus-Interface Option
The MVME172 can be operated as an embedded controller without the
VMEbus interface. For this option, the VMEchip2 and the VMEbus
buffers are not populated. Also, the bus grant daisy chain and the interrupt
acknowledge daisy chain have zero-ohm bypass resistors installed.
To support this feature, certain logic in the VMEchip2 has been duplicated
in the MC2 chip.
redundant logic. This logic is inhibited in the MC2 chip if the VMEchip2
is present. The enables for these functions are controlled by software and
MC2 chip hardware initialization.
Note that an MVME172 ordered without the VMEbus interface is shipped
with Flash memory blank (the factory uses the VMEbus to program the
Flash memory with debugger code). To use the 172Bug package,
MVME172Bug, in such models, be sure that the General Purpose
Readable Jumpers Header is configured for the EPROM memory map.
Refer to Chapters 3 and 4 of your MVME172 installation and use manual
for further details.
http://www.mcg.mot.com/literature
is a general block diagram of the 200/300-Series
Figure 1-2 on page 1-7
Table 1-2 on page 1-8
is a general block diagram of the
defines the location of the
Block Diagrams
1-5
1
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