IEEE-488 Reference
3-124
3.21.4 :NTRansition <NRf> :STATus:MEASurement:NTRansition <NRf> Program Measurement Transition Filter
(NTR).
:STATus:QUEStionable:NTRansition <NRf> Program Questionable Transition Filter
(NTR).
:STATus:OPERation:NTRansition <NRf> Program Operation Transition Filter (NTR).
:STATus:OPERation:TRIGger:NTRansition <NRf> Program Trigger Transition Filter (NTR).
:STATus:OPERation:ARM:NTRansition <NRf> Program Arm Transition Filter (NTR).
:STATus:OPERation:ARM:SEQuence:NTRansition <NRf> Program Sequence Transition Filter (NTR).
Parameters <NRf> = 0 Clear NTR register <NRf> = 128 Set bit B7
1 Set bit B0 256 Set bit B8
2 Set bit B1 512 Set bit B9
4 Set bit B2 1024 Set bit B10
8 Set bit B3 2048 Set bit B11
16 Set bit B4 4096 Set bit B12
32 Set bit B5 16384 Set bit B14
64 Set bit B6 65535 Set all bits
Query :NTRansition? Query NTR register
Description These commands are used to program the negative transition (NTR) registers. A negative tran-
sition is defined as a 1 to 0 state change in the condition register. Thus, when an event is pro-
grammed for a negative transition, the appropriate bit in the corresponding event register sets
when the corresponding bit in the condition register changes from 1 to 0. For example, if bit B9
of the Negative Transition Register of the Measurement Transition Filter is set, then the buffer
full event is programmed for a negative transition. The BFL bit (B9) in the Measurement Event
Register sets when the trace buffer is no longer full. For details on register structure, see para-
graph 3.8.
The NTR registers are shown in Figures 3-34B through 3-39B. Included is the decimal weight
of each bit. The sum of the decimal weights of the bits that you wish to set is the parameter
(<NRf>) that is sent with the command. For example, to program RAV (B5) and BFL (B9) mea-
surement events for negative transitions, send the following command:
:stat:meas:ntr 544
where; BFL (bit B9) = Decimal 512
RAV (bit B5) = Decimal 32
<NRf> = 544
To Next Page
Loading...
Need help?
General
