Table of Contents
Advertisement
The IEEE 488 Secondary Address will initially be disabled when the R-2600 is shipped from the
factory. The Reset capabilities of the R-2600 will not alter the Primary or Secondary Address
settings - they can only be modified under local control by operator interaction.
488 interfaceprovidesbothcommandanddatacommunications,dependinguponthebuscommandson
Bus Command
DAV
Data Valid
Not Ready for
NRFD
Data
NDAC
Not Data Accepted
ATN
Attention
IFC
Interface Clear
Service Request
EOI
End or Identify
Note
is given in the following table.
Mnemonic
Indicates the condition of information
on the DIO signal lines.
Indicates the condition of readiness
of the R-2600 to accept data.
Indicates the condition of acceptance
of data by the R-2600.
Asserted true to indicate the data is
to be interpreted as control data,
device data otherwise.
Places the R-2600 IEEE interface in a
known, quiescent state.
The R-2600 asserts this line to
request service from the controller.
Used by the R-2600 Talker state to
indicate the end of a multi-byte
transfer.
Description
Motorola Communications Analyzer
Programming Reference
Advertisement
Table of Contents
