National Instruments AT E Series - Manual (Page 8)

Contents
© National Instruments Corporation ix AT E Series User Manual
SISOURCE Signal ............................................................................4-39
SCANCLK Signal.............................................................................4-40
EXTSTROBE* Signal ......................................................................4-41
Waveform Generation Timing Connections ...................................................4-41
WFTRIG Signal ................................................................................4-41
UPDATE* Signal..............................................................................4-42
UISOURCE Signal ...........................................................................4-44
General-Purpose Timing Signal Connections .................................................4-44
GPCTR0_SOURCE Signal...............................................................4-44
GPCTR0_GATE Signal ....................................................................4-45
GPCTR0_OUT Signal ......................................................................4-46
GPCTR0_UP_DOWN Signal ...........................................................4-46
GPCTR1_SOURCE Signal...............................................................4-47
GPCTR1_GATE Signal ....................................................................4-47
GPCTR1_OUT Signal ......................................................................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
Mode 1 Output Timing .....................................................................4-53
Mode 2 Bidirectional Timing............................................................4-54
Field Wiring Considerations ..........................................................................................4-55
Chapter 5
Calibrating the Device
Loading Calibration Constants ......................................................................................5-1
Self-Calibration..............................................................................................................5-2
External Calibration .......................................................................................................5-2
Other Considerations .....................................................................................................5-3
Appendix A
Specifications
Appendix B
Optional Cable Connector Descriptions
Appendix C
Common Questions