UEi PowerDAQ PDXI-AO Series User Manual

Chapter 3: Architecture
20
Architecture
This chapter describes the functional operation of the PowerDAQ
AO boards.
Figure 4: Block Diagram of the PowerDAQ PD2-AO boards
Functional Overview
Although there are some functional differences between the
PD2-AO and PDXI-AO boards they all utilize the same
PowerDAQ software, which significantly simplifies the
software development process.
Configur ation
& Calibr at ion
EEPROM
DAC1
DAC0
DAC2 9
DAC28
DAC3
DAC2
DAC3 1
DAC3 0
Volt age
Reference
AOut Calibrat ion
DACs
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(
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IRQA
AOUT0
AOUT0 SENSE
AOUT1
AOUT3 1
AOUT3 0
AOUT1 SENSE
A OUT3 1 SENSE
A OUT3 0 SENSE
IRQB
IRQC
DIn Contr ol
DOut Contr ol
Cloc k
Out
3
3
(8 )
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Local Dat a Bus
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AOut Contr ol
Bus Master PCI Interface
Motorola 66MHz DSP 56301
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D
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32 Bit PCI Bus
User
Count er
Timer
3x24-bit
Digit al
Input
Buffer
Latch
Interrupt
Digit al
Out put
(Driver)

UEi PowerDAQ PDXI-AO Series Specifications

General

Brand	UEi
Model	PowerDAQ PDXI-AO Series
Category	Motherboard
Language	English