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General Information
1
1-6
One parallel port
A 16/A24/A32/D8/D16/D32/D64 VMEbus master/slave
interface
128KB of static RAM (with optional battery backup), and
VMEbus system controller.
The I/O on the MVME177 is connected to the VMEbus P2
connector. The main board is connected through a P2 transition
board and cables to the transition boards. The MVME177 supports
the following transition boards:
MVME712-12
MVME712-13
MVME712M
MVME712A
MVME712AM
MVME712B
(referred to in this manual as MVME712x, unless separately
specified).
The MVME712x transition boards provide configuration headers
and industry standard connectors for the I/O devices.
The VMEbus interface is provided by an ASIC called the
VMEchip2. The VMEchip2 includes:
Two tick timers
A watchdog timer
Programmable map decoders for the master and slave
interfaces
VMEbus to/from local bus DMA controller
VMEbus to/from local bus non-DMA programmed access
interface
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