National Instruments NI PCI-6110 - Manual (Page 28)

Chapter 3 Hardware Overview
© National Instruments Corporation 3-9 NI PCI-6110/6111 User Manual
Figure 3-10. STARTSCAN Signal Routing
This figure shows that STARTSCAN can be generated from a number of
sources, including the external signals RTSI<0..6> and PFI<0..9> and the
internal signals Sample Interval Counter TC and GPCTR0_OUT.
Many of these timing signals are also available as outputs on the RTSI pins,
as indicated in the
RTSI Triggers section, and on the PFI pins, as indicated
in Chapter 4, Connecting Signals .
RTSI Trigger <0..6>
PFI<0..9>
STARTSCAN
Scan Interval Counter TC
GPCTR0_OUT