©
National Instruments Corporation
3-1
3
Hardware Overview
This chapter provides an overview of IMAQ PCI-1426 hardware
functionality and explains the operations of the device’s functional units.
Functional Overview
The IMAQ 1426 features a flexible, high-speed data path optimized for
receiving and formatting video data from Camera Link cameras.
Figure 3-1 illustrates the key functional components of the IMAQ 1426.
Figure 3-1.
IMAQ 1426 Block Diagram
Data
MDR 26-Pin Connector
Channel
Link
Receiver
Enables
Pixel
Clock
Camera
Control
UART
PCI Bus
PCI Interface
and
Scatter-Gather
DMA Controllers
Data
IMAQ SDRAM
Interface
Synchronous Dynamic RAM
Advanced
Timing
Acquisition,
ROI, and Triggering
External Triggers
Pixel Clock and Camera Enables
RTSI Bus
Data
Differential
Converter
15-Pin D-SUB
Serial
Control
