National Instruments 653X Manuale Utente
Chapter 2
Using Your 653X
2-16
ni.com
Figure 2-7. Programming Handshaking Output in LabVIEW/LabVIEW RT
By default, for output buffered transfers the 6534 device will preload the on
board memory with data before starting the output operation. This is done
to eliminate or reduce the impact of the PCI bus bandwidth limitations and
increase the overall transfer rate.
board memory with data before starting the output operation. This is done
to eliminate or reduce the impact of the PCI bus bandwidth limitations and
increase the overall transfer rate.
DIO Start VI
DIO Parameter VI
DIO Clear VI
Buffered
Operation?
DIO Config VI
Yes
Burst
Mode?
No
No
No
Reverse
PCLK
Direction?
Yes
Yes
Finite
Buffer?
DIO Wait VI
Yes
Done?
DIO Write VI
Yes
No
No
DIO Write VI
Digital Single
Write VI
No
Reverse
PCLK
Direction?
Yes
DIO Parameter VI
Digital Group
Config VI
Resets the lines
to default states.
Digital Group
Config VI