Chapter 4 Signal Connections
© National Instruments Corporation 4-9 DIO 6533 User Manual
Figure 4-2. RTSI Bus Signal Connection
♦PXI-6533—RTSI trigger lines 0 through 6 correspond to PXI trigger bus
lines 0 through 6.
Data Signal Connections
The digital data signals are DIOA<0..7>, DIOB<0..7>, DIOC<0..7>,
and DIOD<0..7>. These data signals are referenced to the GND pins.
Ports DIOA, DIOB, DIOC, and DIOD are port numbers 0, 1, 2, and 3,
respectively.
RTSI Bus or PXI Connector
Crossbar Switch
Trigger
20 MHz Timebase
REQ<1..2>
ACK<1..2>
(STARTTRIG<1..2>)
PCLK<1..2>
DAQ-DIO
STOPTRIG<1..2>
Switch
7
2
2
2
2