VME protocol

The master puts address onto the bus, delays a minimum of 35ns, and then asserts address strobe.  All slave cards on the bus monitor the addresses. Each slave is set up to decode a unique address.  For a write operation, the master asserts one or both of its data strobes.  The assertion of data strobe tells the slave that data is valid on the bus and can be strobed into memory. The slave then asserts data acknowledge to signal that the data has been captured.

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