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Publication No. 980938 Rev. K
Model T940 User Manual
Astronics Test Systems
Functional Description 4-11
Terms Used in this Section
250 MHz
250 MHz clock derived from the 500 MHz clock.
500 MHz
500 MHz oscillator clock.
AUX DATA
AUX output data value.
AUX EN
AUX output enable value.
AUX I/O
AUX output and enable signals as well as the AUX input and
probe data.
AUX RH
AUX input response high comparator result.
AUX RL1
AUX input response low comparator result.
BERREN
(Burst Error Enable). This flag allows the user to designate
which patterns will be examined for Burst Error, Burst Error
counting and the logging of errors in the Error Address
Memory BERREN is a qualifier for the burst error and burst
error count.
CBUS
An internal control bus connecting the arbitration and trigger
logic on the VXI Bridge to the Data Sequencer.
CH DATA
Channel output data value.
CH EN
Channel output enable value.
CH IN
Channel input data which is the response data.
CH IN/ERR IN
Channel input data which is either the response data or the
input pattern code test result.
CH OC
Channel output over current flag.
CH RH
Channel input response high comparator result.
CH RH
Channel input response low comparator result.
CONDEN
(Condition Enable) A qualifier for conditional jumping on error.
CONTROL
Control signals and registers to program the data sequence
settings/memory.
ERROR
Signal that indicates an input pattern code failed.
FLAGS
BERREN and CONDEN flags.
FS
Frequency Synthesizer Clock.
HALT
Sequence trigger used to stop the sequence controller for
single stepping applications.
IM CONTROL
Signals used to set relay, driver and mux settings.
IM
Inter-Module signals.
IMSEQ
Inter-module sequence Controller signals that can be assigned
to the VXI or LTB for DRS coupling.
Error
Pass Valid
Sequence Reset
DRS Sync
Driver Disable
Master Reset
JUMP
Sequence trigger used conditional jumping.