National Instruments 5411 - Manual (Page 26)

© National Instruments Corporation 4-1 DAQArb 5411 User Manual
Chapter
4
Arb Operation
This chapter describes how to use your DAQArb 5411.
Figure 4-1 shows the DAQArb 5411 block diagram.
Figure 4-1. DAQArb 5411 Block Diagram
The DAQArb 5411 consists of a bus interface that communicates with
the ISA bus for the AT-5411 or the PCI bus for the PCI-5411. The bus
interface block handles Plug and Play protocols for assigning resources
to the device and providing drivers for the data and address bus that are
local to the device. The waveform sequencer performs multiple
Data Path
ISA/PCI Channel
Waveform
Sequencer
IFIFO
Control
Memory
Controller
RTSI Bus
Memory Connector
Instruction
FIFOs
AMM
Control
RTSI
Control
Digital Connector
ARB
SYNC
PLL Ref
Analog
Control
Pattern
Generation
Circuit
DAC
DDS +
Lookup
Memory
Attenuators,
Filter, and
Amplifier
Level
Crossing
Detector
PLL and
Clocking
DDS
Control
Digital
Filter
Trigger
Control Filter
Controls
Clock
Controls
Bus
Interface