Table of Contents
National Instruments Corporation vii AT-MIO/AI E Series User Manual
Power Connections ........................................................................................................4-30
Timing Connections ......................................................................................................4-30
Programmable Function Input Connections ...................................................4-31
Data Acquisition Timing Connections ........................................................... 4-32
SCANCLK Signal ............................................................................4-33
EXTSTROBE* Signal ......................................................................4-33
TRIG1 Signal ................................................................................... 4-34
TRIG2 Signal ................................................................................... 4-36
STARTSCAN Signal ....................................................................... 4-37
CONVERT* Signal ..........................................................................4-39
AIGATE Signal ................................................................................4-41
SISOURCE Signal ........................................................................... 4-41
Waveform Generation Timing Connections ...................................................4-42
WFTRIG Signal ............................................................................... 4-42
UPDATE* Signal .............................................................................4-43
UISOURCE Signal ...........................................................................4-45
General-Purpose Timing Signal Connections ................................................ 4-46
GPCTR0_SOURCE Signal ..............................................................4-46
GPCTR0_GATE Signal ...................................................................4-47
GPCTR0_OUT Signal ......................................................................4-47
GPCTR0_UP_DOWN Signal ..........................................................4-48
GPCTR1_SOURCE Signal ..............................................................4-48
GPCTR1_GATE Signal ...................................................................4-49
GPCTR1_OUT Signal ......................................................................4-50
GPCTR1_UP_DOWN Signal ..........................................................4-51
FREQ_OUT Signal ..........................................................................4-52
Timing Specifications for Digital I/O Ports A, B, and C ................................4-53
Mode 1 Input Timing ....................................................................... 4-55
Mode 1 Output Timing .....................................................................4-56
Mode 2 Bidirectional Timing ...........................................................4-57
Field Wiring Considerations .........................................................................................4-58
Chapter 5Calibration
Loading Calibration Constants ......................................................................................5-1
Self-Calibration .............................................................................................................5-2
External Calibration ......................................................................................................5-2
Other Considerations .....................................................................................................5-3