Specifications

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021B HEX would set buffer 1 to be triggered on TTLTriger line #3
TABLE 3-6 VXI-5534 WORD SERIAL COMMAND LIST
Command Hex Function
Code
Abort Normal Operation C8FF Cease normal operation and return to default configuration.
ArmTrigger 02xx Selects a buffer to be transmitted when triggered and the
TTLTrigger line. Command format is:
0000 0010 bbbb ettt where:
b = buffer number, e = enable and t = trigger line
Assign Handler Line A9xx Assigns a IRQ line to an Interrupt Handler in the device.
Assign Interrupter Line AAxx Assigns a IRQ line to an Interrupter in the device.
Async Mode Control A8xx Directs the way a device responds to events.
Begin Normal Operation FCFF Notifies a device to begin normal operation.
Byte Available BCdd Sends a data byte to a servant. The code for the last byte with the
END bit asserted is BDdd.
Byte Request DEFF Reads a data byte from the servant device.
Clear FFFF Clears a device's VXIbus interface, buffers and reinitializes the SCC
chip for a channel pair (channels 1&2 or 3&4)
Clear Lock EFFF Device exits lock state.
CmdMode 0100 Sets a Serial Channel to its command mode. All subsequent
Word Serial Messages will be parsed as commands.
Control Event AFxx Enables generation of events in a device.
Control Response # 8Fxx Enables response signals or response interrupts.
DataMode 0000 Sets a Serial Channel to its transparent data mode. All subsequent
Word Serial Messages will be transmitted as serial data.
End Normal Operation C9FF End normal operation an orderly fashion. The device becomes
inactive.
Grant Device # BFaa Provides logical device addresses to a servant commander.
Identify Commander # BEaa Tells a servant the commander's logical address.
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