National Instruments NI SPEEDY-33 H, I, J

Glossary

NI SPEEDY-33 User Manual G-6 ni.com

flash A form of rewritable memory chip that, unlike a Random Access Memory

chip, holds content without maintaining a power supply.

frequency The number of alternating signals that occur per unit time.

ft feet

H

h hour

Hz hertz—Cycles per second of a periodic signal; the unit of measure for

frequency.

I

I/O Input/Output—The transfer of data to/from a computer system involving

communications channels, operator interface devices, and/or data

acquisition and control interfaces.

in. inch or inches

instrument driver A set of high-level software functions that controls a specific GPIB, VXI,

or RS232 programmable instrument or a specific plug-in DAQ device.

Instrument drivers are available in several forms, ranging from a function

callable language to a virtual instrument (VI) in LabVIEW. You can

download instrument drivers from the Instrument Driver Network at

ni.com/idnet.

J

jack See port.

jumper A small rectangular device used to connect two adjacent posts on a circuit

board. Jumpers are used on some SCXI modules and terminal blocks to

either select certain parameters or enable/disable circuit functionality.

Contents

Main Page Important Information Warranty Copyright Trademarks Patents Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class FCC/DOC Warnings Class A Conventions Contents Chapter 1 NI SPEEDY-33 Overview Chapter 2 NI SPEEDY-33 Functional Description and Interface Page NI SPEEDY-33 Overview Theory of Operation Safety Information Page Installation Software, Drivers, and Examples Page NI SPEEDY-33 Functional Description and Interface Figure 2-1. NISPEEDY-33 Top View DSP Chapter 2 NISPEEDY-33 Functional Description and Interface National Instruments Corporation 2-3 NI SPEEDY-33 User Manual Figure 2-2 shows the architectural details of the VC33 DSP. MUX Figure 2-2. VC33 DSP Functional Block Diagram Cache (64 x 32) Block0 (1 k x 32) Memory Map Figure 2-3. NISPEEDY-33 Memory Map Memory On-Chip Memory Flash Memory Ports PC USB Port Power Port Audio Stereo Input Port Audio Stereo Output Port Onboard Microphones Digital Output Port LEDs Switch Input Port Stereo A/D, D/A (Analog Input, Analog Output) I/O Connectors Simple Expansion Digital I/O Connector Standard Expansion Analog I/O Connectors Connecting Accessories to the NI SPEEDY-33 Jumpers Audio Input Level Jumpers Flash Boot Jumper Flash Write Enable Jumper NI SPEEDY-33 Enclosure Reset Button A Specifications Analog I/O Digital I/O Memory DSP Bus Interface Power Requirements Physical Environmental Safety Electromagnetic Compatibility CE Compliance Environmental Management Waste Electrical and Electronic Equipment (WEEE) RoHS B Technical Support and Professional Services Page Glossary Numbers/Symbols A B C D E F H I J K L M N O P R S U Page Index A B C D H I J K L O P R S T