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© National Instruments Corporation ix 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