MGR10 A/B/C - Revision : I (for 7.0 software revision)
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The device may be triggered by the appropriate commands.
C0 Controller
Function
The controller function is not implemented, and hence the instrument cannot behave as a system
controller. Talk Only mode is available for minimal bus use.
E2 Driver
Electronics
All lines are tri-state outputs except SRQ, NRFD and NDAC which are open-collector.
6.2.2.4 Single Wire Interface Messages
The IEEE bus consists of 8 data lines, 5 General Interface Management Lines and 3 Handshake lines.
The 3 Handshake lines are;
DAV Data
Valid
Asserted by the talker to indicate that data has been put onto the data bus.
NRFD Not Ready For Data
Asserted by the listener to indicate that it is busy and is not ready to receive data.
NDAC Not Data Accepted
Negated by the listener to confirm receipt of a data byte.
