© National Instruments Corporation 2-1 NI 781xR User Manual
2
Hardware Overview of the NI 781xR

This chapter presents an overview of the hardware functions and

I/O connectors on the NI 781xR.

Figure 2-1 shows a block diagram for the NI 781xR.

Figure 2-1. NI781xR Block Diagram

Configuration
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
RTSI/PXI Triggers
PXI Local Bus (NI PXI-781x R Only)
RTSI Bus