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NI SPEEDY -33 User Manual Signal Processing Engineering Ed ucational Device for Yout h NI SPEEDY -33 User Manual June 2008 371577D-01.
Support Worldwide Technical Support and Product Info rmation ni.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Aust in, Texas 78759-3504 USA Tel: 512 683 0100 Worldwide O.
Important Information Warranty The NI SPEEDY-33 is war ranted against defects in mat erials and wo rkmanship for a period of one year from the date of shipm ent, a s evidenced by receipts or other documentati on. National Instruments wil l, at its option, repair or replace equipment that proves t o be defective during the warranty period.
Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless co mmunications from inte rference. The FCC places digital electronics into two classes.
Conventions The follo wing con ve ntions are used in this manual: < > Angle brackets that cont ain numbers s eparated by an ellipsis represent a range of v alues associated with a bit or signal name—for example, AO < 3 . . 0 > . » The » symbol leads you through nested menu items and dial og box options to a final action.
© National Instruments Corporat ion ix NI SPEEDY-33 User Manual Contents Chapter 1 NI SPEEDY-33 Overview Theory of Operation...................... ............ .............. ........... .............. .............. ............ .... 1-2 Safety Information .
Contents NI SPEEDY-33 User Manual x ni.com Appendix A Specifications Appendix B Technical Support and Professional Services Glossary Index.
© National Instruments Corporation 1-1 NI SPEEDY -33 User Manual 1 NI SPEEDY -33 Over view The NI SPEEDY-33 (Signal Processing Engineering Educational Device for Youth) featuring the Texas Instruments VC33 DSP is a self-contained, high-performance, programmable pro duct for signal processing applications.
Chapter 1 NI SPEEDY -33 O verview NI SPEEDY -33 User Manual 1-2 ni.com Theor y of Operation The NI SPEEDY-33 is a low-cost, hi gh-performance floating-point TMS320VC33-based DSP system connected to a stand ard PC through the USB port.
Chapter 1 NI SPEEDY -33 Over view © National Instruments Corporation 1-3 NI SPEEDY -33 User Manual Operate the module only at or below Pollution Degree 2. Pollution is foreign matter in a so lid, liquid, or gaseous state that can reduce dielectric strength or surface resisti vity .
Chapter 1 NI SPEEDY -33 O verview NI SPEEDY -33 User Manual 1-4 ni.com refers to local-le vel elect rical distribution, such as that provided b y a standard wall outlet (for example, 115 A C v oltage for U.
Chapter 1 NI SPEEDY -33 Over view © National Instruments Corporation 1-5 NI SPEEDY -33 User Manual Example applications for the NI SPEED Y -33 can be found in the NI Example Finder; in LabVIEW , select H elp»Find Examples . All NI user documentation is av ailable on the National Inst ruments W eb site at ni.
© National Instruments Corporation 2-1 NI SPEEDY -33 User Manual 2 NI SPEEDY -33 Functional Description and Interface This chapter describes the NI SPEEDY-33 hardware functions and details of interfacing and configuring the device. Figure 2-1 shows the NI SPEED Y -33 layou t.
Chapter 2 NI SPEEDY -33 Functional Description and Interface NI SPEEDY -33 User Manual 2-2 ni.com DSP The digital signal processor on the NI SPEEDY-33 is a powerful floating-point, flexible, and easy-to-use processor desig ned by Texas Instrume nts. The VC33 DSP is capable of high pe rformance mathematical operations.
Chapter 2 NI SPEEDY -33 Function al Description and Interface © National Instruments Corporation 2-3 NI SPEEDY -33 User Manual Figure 2-2 shows the architectural detail s of the VC33 DSP .
Chapter 2 NI SPEEDY -33 Functional Description and Interface NI SPEEDY -33 User Manual 2-4 ni.com Memor y Map The DSP runs in microcomputer/bootlo ader mode on the NI SPEEDY-33.
Chapter 2 NI SPEEDY -33 Function al Description and Interface © National Instruments Corporation 2-5 NI SPEEDY -33 User Manual Memor y There are two types of available me mory on the NI SPEEDY-33, on-chip memory and f lash memory. On-Chip Memor y The DSP uses on-chip memory for al gorithms because of its fast speed.
Chapter 2 NI SPEEDY -33 Functional Description and Interface NI SPEEDY -33 User Manual 2-6 ni.com Power Port Caution Do not connect the power source to the power port while the NI SPEED Y -33 devic e is connected to the PC.
Chapter 2 NI SPEEDY -33 Function al Description and Interface © National Instruments Corporation 2-7 NI SPEEDY -33 User Manual Onboard Microphones Two onboard microphones (U2 and U5) can be used in applicat ions requiring audio input or involving audi o signal phase difference measurements.
Chapter 2 NI SPEEDY -33 Functional Description and Interface NI SPEEDY -33 User Manual 2-8 ni.com Stereo A/D, D/A (Analog Input, Analog Output) The 16-bit stereo audio CODEC incl uded on the NI SPEEDY-33 allows for up to 48 kHz dual-channel sampl ing on the input signal.
Chapter 2 NI SPEEDY -33 Function al Description and Interface © National Instruments Corporation 2-9 NI SPEEDY -33 User Manual The digital I/O signals are 3.3 V , b ut the inputs are 5 V tolerant. Altho ugh not required, pin 20 (ResetLow) can be driv en lo w to reset the DSP; it is pulled high by the NI SPEED Y -33.
Chapter 2 NI SPEEDY -33 Functional Description and Interface NI SPEEDY -33 User Manual 2-10 ni.com Jumpers Audio Input Level Jumpers The audio inpu t level jumpers (J1, J2) control the amount of gain applied to the input au dio signals.
Chapter 2 NI SPEEDY -33 Function al Description and Interface © National Instruments Corporation 2-11 NI SPEEDY -33 User Manual Flash Boot Jumper The flash boot jumper (J12) controls whether the DSP will attempt to boot from the flash memory. The default setti ng is for the DSP to boot from flash memory, desc ribed in the Flash Memory section.
Chapter 2 NI SPEEDY -33 Functional Description and Interface NI SPEEDY -33 User Manual 2-12 ni.com NI SPEEDY -33 Enclosure The NI SPEEDY-33 comes encased in an enclosure for du rability. To access hardware features such as the jump ers or the extension I/ O connectors, remove the SPEEDY-33 bo ard from the enclosure.
Chapter 2 NI SPEEDY -33 Function al Description and Interface © National Instruments Corporation 2-13 NI SPEEDY -33 User Manual Reset Button The reset button (SW1) is a small push bu tton on the NI SPEEDY-33 that manually resets the DSP. The DSP needs to be reset in the event of a software or hardware freeze.
© National Instruments Corporation A- 1 NI SPEEDY -33 User Manual A Specifications Specifications listed belo w are typica l at 25 °C unless otherw ise noted. Analog I/O Input ................. ............... .............. ......... Stereo 48 kHz 16 bit A/D Output.
Appendix A Specifications NI SPEEDY -33 User Manual A-2 ni.com DSP DSP ...................... ............ .............. .........TMS320VC33 • High-performance floating-poin t digital signal processor (DSP) – 150 million floating -point operations per secon d (MFLOPS) – 75 million instru ctions per second (MIPS) •3 4 K × 32 bit (1.
Appendix A Specifications © National Instruments Corporation A- 3 NI SPEEDY -33 User Manual Physical PCB only Dimensions ................... .............. .... 8.89 cm × 12.7 cm × 1.91 cm (3.5 in . × 5 in . × 0.75 in.) Weight ...................
Appendix A Specifications NI SPEEDY -33 User Manual A-4 ni.com Safety This product is designed to meet the requirements of the following standards of safety for electrical e quipment for measurement, .
Appendix A Specifications © National Instruments Corporation A- 5 NI SPEEDY -33 User Manual Environmental Management National Instruments i s committed to designing and manu facturing products in an environmental ly responsible mann er.
© National Instruments Corporation B- 1 NI SPEEDY -33 User Manual B T echnical Support and Professional Ser vices Visit the following sections of the award-winning National Instruments Web site at ni.com for technical support and professional services: • Support —T echnical support resources at ni.
Appendix B T echnical Support and Professional Ser vices NI SPEEDY -33 User Manual B-2 ni.com • Declaration of Conformit y (DoC) —A DoC is our claim of compliance with the C ouncil of the European Communities usin g the manufacturer’ s de claration of conformity .
© National Instruments Corporation G-1 NI SPEEDY -33 User Manual Glossar y Symbol Pref ix V a lue μ micro 10 –6 m milli 10 –3 k kilo 10 3 Mm e g a 1 0 6 Numbers/Symbols % percent + positi v e of.
Glossary NI SPEEDY -33 User Manual G-2 ni.com A A amperes A/D Analog-to-Digital A C Alternating Current ADC Analog-to-Digital Con v erter—An elect ronic device, often an inte grated circuit, that con v erts an an alog v oltage to a digital number . ADC resolution The resolution of the ADC measured in bits.
Glossary © National Instruments Corporation G-3 NI SPEEDY -33 User Manual bus The group of conductors that interconnect individual circuitry in a computer . T ypically , a bus is the expa nsion interf ace to which I/O or other device s are connected.
Glossary NI SPEEDY -33 User Manual G-4 ni.com D D/A Digital-to-Ana log D A Q data acquisition—(1) Collecting and measuring electric al signals from sensors, transducers, and test prob es or fixtures and processing the measurement data using a computer .
Glossary © National Instruments Corporation G-5 NI SPEEDY -33 User Manual DIO Digital Inpu t/Output DMA Direct Memory Access—A method by which d ata is transferred t o/from computer memory from/ to a device or memory on the b us while the processor does something else.
Glossary NI SPEEDY -33 User Manual G-6 ni.com flash A form of rewritable memory chip that, unlike a Random Ac cess Memory chip, holds content without maintaining a power supply .
Glossary © National Instruments Corporation G-7 NI SPEEDY -33 User Manual K k kilo—The standard metric prefix for 1,000, or 10 3 , used with un its of measure such as v olts, hertz, and meters. K( 1 ) k e l v i n (2) kilo—The prefix for 1,024, or 2 10 , used with B in quantifying data or computer memory .
Glossary NI SPEEDY -33 User Manual G-8 ni.com memory (1) The high-speed electronic storag e components of a computer or instrument product. T ypically , access ti mes of electronic memories are less than 100 ns, while hard disk dri v es ha v e access times in the range of 10 ms.
Glossary © National Instruments Corporation G-9 NI SPEEDY -33 User Manual peripherals Devic es that can be conn ected to your computer or the NI SPEED Y -33. Common peripheral devices are USB D A Q cards, printers, and keyboards. port (1) A communications connection on a computer or a remote controller .
Glossary NI SPEEDY -33 User Manual G-10 ni.com V Vv o l t s VI V irtual Instru ment—(1) A combi nation of hardw are and/o r softwar e elements, typically used with a PC, th at has the functionality of a classic stand-alone instrume nt.
© National Instruments Corporation I-1 NI SPEEDY -33 User Manual Index A analog, standard expansion I/O connectors, 2-9 audio input level jumpers, 2-10 left channel (table), 2-10 microphone level (ca.
Index NI SPEEDY -33 User Manual I-2 ni.com flash write enable jumper, 2-11 write protection, 2-11 flash write enable jumper, 2-11 settings (table), 2-11 functional description, 2 -1 H hardware install.
Index © National Instruments Corporation I-3 NI SPEEDY -33 User Manual software, 1-4 software ex amples, 1-4 stereo A/D, D/A, 2-8 switch input port, 2-7 theory of operation, 1-2 NI support and servic.
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