Chapter 3 Hardware Overview
National Instruments Corporation
3-17
VXI-MIO Series User Manual
VXIbus Triggers
The VXI-MIO Series modules can use up to seven of the 10 VXIbus
trigger lines to coordinate sampling and/or triggering across multiple
modules.
When using NI-DAQ software, the VXIbus trigger lines are
functionally equivalent to RTSI bus trigger lines.
Figure 3-10. VXIbus Trigger Utilization
Refer to the Timing Connections section of Chapter 4 for a description
of the signals shown in Figure 3-10.
VXIbus Trigger Lines
Crossbar Switch
TTL Triggers
5
ECL Triggers
2
DAQ-STC
TRIG1
TRIG2
CONVERT*
UPDATE*
WFTRIG
GPCTR0_SOURCE
GPCTR0_GATE
GPCTR0_OUT
STARTSCAN
AIGATE
SISOURCE
UISOURCE
GPCTR1_SOURCE
GPCTR1_GATE
RTSI_OSC (20 MHz)
