
© National Instruments Corporation 3-1 IMAQPCI/PXI-1428 User Manual
3
Hardware OverviewThis chapter provides an overview of IMAQ PCI/PXI-1428 hardware
functionality and explains the operations of the device’s functional units.
Functional Overview
The IMAQ 1428 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 1428.
Figure 3-1. IMAQ 1428 Block Diagram
Data
26-Pin MDR ConnectorChannel
Link
Receiver
Enables
Pixel
Clock
Camera
Control
UART
PCI/PXI BusPCI/PXI 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
LUT LUT Data
Data
Differential
Converter
68-Pin VHDCISerial
Control
Enables
Pixel
Clock
Channel
Link
Receiver
Data