National Instruments 622 Series User Manual page 11

Chapter 9
Digital Routing and Clock Generation
Clock Routing................................................................................................................... 9-1
80 MHz Timebase .................................................................................................... 9-2
20 MHz Timebase .................................................................................................... 9-2
100 kHz Timebase .................................................................................................... 9-2
External Reference Clock......................................................................................... 9-2
10 MHz Reference Clock ......................................................................................... 9-2
Synchronizing Multiple Devices ...................................................................................... 9-3
PXI/PXI Express Modules........................................................................................ 9-3
PCI/PCI Express Devices ......................................................................................... 9-3
USB Devices............................................................................................................. 9-3
Real-Time System Integration (RTSI) ............................................................................. 9-4
RTSI Connector Pinout ............................................................................................ 9-4
Using RTSI as Outputs ............................................................................................. 9-5
Using RTSI Terminals as Timing Input Signals ...................................................... 9-6
RTSI Filters .............................................................................................................. 9-6
PXI Clock and Trigger Signals......................................................................................... 9-8
PXI_CLK10.............................................................................................................. 9-8
PXI Triggers ............................................................................................................. 9-8
PXI_STAR Trigger................................................................................................... 9-8
PXI_STAR Filters .................................................................................................... 9-8
Chapter 10
Bus Interface
Data Transfer Methods ..................................................................................................... 10-1
PCI/PCI Express Device and PXI/PXI Express Module Data Transfer Methods.... 10-1
USB Device Data Transfer Methods ........................................................................ 10-2
PXI Considerations........................................................................................................... 10-3
PXI Clock and Trigger Signals................................................................................. 10-3
PXI and PXI Express................................................................................................ 10-3
Using PXI with CompactPCI ................................................................................... 10-4
Chapter 11
Triggering
Triggering with a Digital Source ...................................................................................... 11-1
Triggering with an Analog Source ................................................................................... 11-2
APFI <0,1> Terminals.............................................................................................. 11-2
Analog Input Channels ............................................................................................. 11-2
Analog Trigger Actions ............................................................................................ 11-3
Routing Analog Comparison Event to an Output Terminal ..................................... 11-3
Analog Trigger Types....................................................................................................... 11-3
Analog Trigger Accuracy ................................................................................................. 11-6
M Series User Manual
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