National Instruments AT E Series user manual - page 8

Contents
©NationalInstruments Corporation ix ATE Series User Manual
SISOURCE Signal ............................................................................4-39
SCANCLK Signal.............................................................................4-40
EXTSTROBE*Signal ......................................................................4-41
WaveformGeneration Timing Connections ...................................................4-41
WFTRIG Signal................................................................................4-41
UPDATE*Signal ..............................................................................4-42
UISOURCESignal ...........................................................................4-44
General-PurposeTiming Signal Connections.................................................4-44
GPCTR0_SOURCESignal ...............................................................4-44
GPCTR0_GATESignal ....................................................................4-45
GPCTR0_OUTSignal ......................................................................4-46
GPCTR0_UP_DOWN Signal ...........................................................4-46
GPCTR1_SOURCESignal ...............................................................4-47
GPCTR1_GATESignal ....................................................................4-47
GPCTR1_OUTSignal ......................................................................4-48
GPCTR1_UP_DOWN Signal ...........................................................4-48
FREQ_OUT Signal ...........................................................................4-50
Timing Specifications for Digital I/O Ports A, B, and C................................4-50
Mode 1 Input Timing........................................................................4-52
Mode1 OutputTiming .....................................................................4-53
Mode2 Bidirectional Timing ............................................................4-54
FieldWiring Considerations ..........................................................................................4-55
Chapter 5
Calibrating the Device
LoadingCalibration Constants ......................................................................................5-1
Self-Calibration..............................................................................................................5-2
ExternalCalibration .......................................................................................................5-2
OtherConsiderations .....................................................................................................5-3
Appendix A
Specifications
Appendix B
Optional Cable Connector Descriptions
Appendix C
Common Questions