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2-1
2
Hardware Overview
of the NI 781xR
of the NI 781xR
This chapter presents an overview of the hardware functions and
I/O connectors on the NI 781xR.
I/O connectors on the NI 781xR.
Figure 2-1 shows a block diagram for the NI 781xR.
Figure 2-1. NI 781xR Block Diagram
Configur
ation
Configuration Control
Connector 0 (DIO)
Connector 1 (DIO)
Connector 2 (DIO)
Connector 3 (DIO)
Digital I/O (40)
User-Configurable
FPGA on
RIO Devices
Digital I/O (40)
Digital I/O (40)
Digital I/O (40)
Data/Address/Control
Bus
Interface
Address/Data
Control
Flash Memory
PCI/PXI/CompactPCI Bus
R
TSI/PXI T
riggers
PXI Local Bus (NI PXI-781x R Only)
RTSI Bus