National Instruments NI SPEEDY-33 N, O, P

Glossary

NI SPEEDY-33 User Manual G-8 ni.com

memory (1) The high-speed electronic storage components of a computer or

instrument product. Typically, access times of electronic memories are less

than 100 ns, while hard disk drives have access times in the range of 10 ms.

The most common form of electronic memory is Random Access Memory

(RAM).

(2) The chips in a computer that can store data when the computer is

powered on. Different from storage devices, such as disks or tapes.

memory buffer See buffer.

memory map Maps physical resources such as RAM and EPROM to particular CPU

addresses. A software memory map maps particular code segments to

particular CPU addresses.

MFLOPS Million floating-point operations per second.

min (1) minutes

(2) minimum

N

NC Normally Closed, or Not Connected

NP No Pullup

O

onboard channels Channels provided by the plug-in data acquisition device.

OUT output signal

P

p pull up (v.),

pull-up (adj.)

PC Personal Computer

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