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National Instruments Signal Processing Engineering Educational Device NI SPEEDY-33 User Manual

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© National Instruments Corporation

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NI SPEEDY-33 User Manual

Contents

Chapter 1
NI SPEEDY-33 Overview

Theory of Operation.......................................................................................................1-2
Safety Information .........................................................................................................1-2
Installation .....................................................................................................................1-4
Software, Drivers, and Examples ..................................................................................1-4

Chapter 2
NI SPEEDY-33 Functional Description and Interface

DSP ................................................................................................................................2-2
Memory Map .................................................................................................................2-4
Memory..........................................................................................................................2-5

On-Chip Memory ............................................................................................2-5
Flash Memory..................................................................................................2-5

Ports ...............................................................................................................................2-5

PC USB Port....................................................................................................2-5
Power Port .......................................................................................................2-6
Audio Stereo Input Port...................................................................................2-6
Audio Stereo Output Port ................................................................................2-6

Onboard Microphones ...................................................................................................2-7
Digital Output Port LEDs ..............................................................................................2-7
Switch Input Port ...........................................................................................................2-7
Stereo A/D, D/A (Analog Input, Analog Output)..........................................................2-8
I/O Connectors ...............................................................................................................2-8

Simple Expansion Digital I/O Connector........................................................2-8
Standard Expansion Analog I/O Connectors...................................................2-9

Connecting Accessories to the NI SPEEDY-33 ...............................2-9

Jumpers ..........................................................................................................................2-10

Audio Input Level Jumpers .............................................................................2-10
Flash Boot Jumper...........................................................................................2-11
Flash Write Enable Jumper .............................................................................2-11

NI SPEEDY-33 Enclosure.............................................................................................2-12

Reset Button ....................................................................................................2-13