National Instruments Signal Processing Engineering Educational Device NI SPEEDY-33 Скачать руководство пользователя страница 25 | Manualshive

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Chapter 2

NI SPEEDY-33 Functional Description and Interface

©

National Instruments Corporation

2-13

NI SPEEDY-33 User Manual

Reset Button

The reset button (SW1) is a small push button 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.

Figure 2-6.

NI SPEEDY-33 Front View

1

Reset Button

Audio Out

Audio In

1

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Содержание Signal Processing Engineering Educational Device NI SPEEDY-33

Страница 1: ...NI SPEEDY 33 User Manual Signal Processing Engineering Educational Device for Youth NI SPEEDY 33 User Manual June 2008 371577D 01...

Страница 2: ...ebanon 961 0 1 33 28 28 Malaysia 1800 887710 Mexico 01 800 010 0793 Netherlands 31 0 348 433 466 New Zealand 0800 553 322 Norway 47 0 66 90 76 60 Poland 48 22 3390150 Portugal 351 210 311 210 Russia 7...

Страница 3: ...ing photocopying recording storing in an information retrieval system or translating in whole or in part without the prior written consent of National Instruments Corporation National Instruments resp...

Страница 4: ...t of Communications DOC Changes or modifications not expressly approved by NI could void the user s authority to operate the equipment under the FCC Rules Class A Federal Communications Commission Thi...

Страница 5: ...you of precautions to take to avoid injury data loss or a system crash bold Bold text denotes items that you must select or click in the software such as menu items and dialog box options Bold text al...

Страница 6: ...ry 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 Analo...

Страница 7: ...Contents NI SPEEDY 33 User Manual x ni com Appendix A Specifications Appendix B Technical Support and Professional Services Glossary Index...

Страница 8: ...ntained high performance programmable product for signal processing applications It boasts an easy to use fast Digital Signal Processor DSP along with a number of features important to many signal pro...

Страница 9: ...O connector After the flash memory is programmed the NI SPEEDY 33 can be unplugged from the PC and run in standalone mode Safety Information The following section contains important safety informatio...

Страница 10: ...e module Operate the module at or below the measurement category1 marked on the hardware label Measurement circuits are subjected to working voltages2 and transient stresses overvoltage from the circu...

Страница 11: ...ectrical supply installation 1 000 V Examples include electricity meters and measurements on primary overcurrent protection devices and on ripple control units Installation To install and set up the N...

Страница 12: ...Corporation 1 5 NI SPEEDY 33 User Manual Example applications for the NI SPEEDY 33 can be found in the NI Example Finder in LabVIEW select Help Find Examples All NI user documentation is available on...

Страница 13: ...Port J8 3 Onboard Microphone U2 U5 4 DSP On Chip Memory U6 5 Flash Memory U8 6 Stereo A D D A U9 7 Left Channel Audio Input Level Jumper J1 8 Right Channel Audio Input Level Jumper J2 9 Power LED DS1...

Страница 14: ...d be required to achieve this maximum speed namely 14 7456 MHz as opposed to the maximum 15 MHz This allows for specific desirable sample rates to be achieved for the A D and D A hardware described in...

Страница 15: ...EMU0 ENU1 TCK TMS TRST EXTCLK XOUT XIH H1 H3 CLKND 0 1 MUX IR PC Controller JTAG Emulation PLL CLK CPU1 CPU1 MUX 32 32 32 40 40 40 40 40 40 40 Multiplier 32 Bit Barrel Shifter ALU Extended Precision R...

Страница 16: ...KB in Space Byte Wide Lowest Byte 7 Wait States 400000h 47FFFFh Empty 480000h 7FFFFFh Internal RAM Block 2 64 KB 800000h 803FFFh Internal RAM Block 3 64 KB 804000h 807FFFh Peripheral Bus Memory Mapped...

Страница 17: ...ory boot up for standalone mode The flash memory is byte wide and organized as 512 K 8 with the DSP mapping it to a 512 K 32 2 048 KB area only able to read the lowest byte upper 24 bits are not read...

Страница 18: ...t when the NI SPEEDY 33 is configured for microphone level It is possible to damage the audio input circuitry by overdriving the input If an external microphone is used it should be capable of operati...

Страница 19: ...input port U11 as described in the Audio Input Level Jumpers section If an external microphone is connected the onboard microphones are disconnected from the input circuitry by mechanical disconnect D...

Страница 20: ...igital inputs and eight digital outputs under DSP control The eight input bits are co mapped to the switch input port The eight output bits are co mapped to the digital output port LEDs as described i...

Страница 21: ...onnecting Accessories to the NI SPEEDY 33 section for information on NI and third party daughter modules for use with the NI SPEEDY 33 Connecting Accessories to the NI SPEEDY 33 Refer to Figure 2 1 to...

Страница 22: ...and should be left in the line level setting if an external microphone or audio source is used at audio stereo input port U10 described in the Stereo A D D A Analog Input Analog Output section Table 2...

Страница 23: ...t recommended Table 2 3 shows the possible flash boot settings Flash Write Enable Jumper The flash write enable jumper J5 controls whether the DSP writes to the flash memory as described in the Flash...

Страница 24: ...emove the SPEEDY 33 board from the enclosure To access the SPEEDY 33 board remove all screws from either the front or back end of the enclosure and remove the metal end plate When the metal end plate...

Страница 25: ...ration 2 13 NI SPEEDY 33 User Manual Reset Button The reset button SW1 is a small push button on the NI SPEEDY 33 that manually resets the DSP The DSP needs to be reset in the event of a software or h...

Страница 26: ...Supported sampling rates 8 kHz 18 kHz 24 kHz 36 kHz 48 kHz Maximum working voltage for analog inputs signal common mode 600 mV Maximum working voltage for analog outputs signal common mode 1 41 V Inp...

Страница 27: ...oader 32 Bit instruction word 24 Bit Addresses Fabricated using the 0 18 m leff effective gate length TImeline technology by Texas Instruments TI On chip memory mapped peripherals Direct Memory Access...

Страница 28: ...Standard mini stereo jack I O connectors J1 J2 J5 J12 0 10 in 0 10 in 0 23 in in 1 3 rows J4 0 10 in 0 10 in 0 23 in in 2 5 rows J6 J11 0 10 in 0 10 in 0 23 in in 2 10 rows Environmental The NI SPEEDY...

Страница 29: ...C for electrical equipment for measurement control and laboratory use EN 61326 EMC requirements Minimum Immunity EN 55011 Emissions Group 1 Class A CE C Tick ICES and FCC Part 15 Emissions Class A Not...

Страница 30: ...nvironment Web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental information not included in this documen...

Страница 31: ...Service Program Membership This program entitles members to direct access to NI Applications Engineers via phone and email for one to one technical support as well as exclusive access to on demand tra...

Страница 32: ...mpatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification If you searched ni com and could not find the answers you need contact your local office or...

Страница 33: ...ssary Symbol Prefix Value micro 10 6 m milli 10 3 k kilo 103 M mega 106 Numbers Symbols percent positive of or plus negative of or minus plus or minus less than greater than less than or equal to grea...

Страница 34: ...eVIEW Visual Basic C and C AI Analog Input analog A signal whose amplitude can have a continuous range of values AO Analog Output B b bit One binary digit either 0 or 1 B byte Eight related bits of da...

Страница 35: ...can be single ended or differential For digital signals you group channels to form ports Ports usually consist of either four or eight digital channels CMRR Common Mode Rejection Ratio A measure of th...

Страница 36: ...driver In many cases the default input of a control is a certain value often 0 that means use the current default setting device A plug in data acquisition product card or pad that can contain multip...

Страница 37: ...omputation though they are not optimized for this function dual access memory Memory that can be sequentially accessed by more than one controller or processor but not simultaneously accessed Also kno...

Страница 38: ...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 p...

Страница 39: ...nguage LabVIEW DSP Module A fully featured graphical DSP design tool based on LabVIEW LED Light Emitting Diode library A file containing compiled object modules each comprised of one of more functions...

Страница 40: ...hat 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...

Страница 41: ...er second Used to express the rate at which a DAQ device samples an analog signal sample An instantaneous measurement of a signal normally using an analog to digital convertor in a DAQ device SPEEDY 3...

Страница 42: ...functionality of a classic stand alone instrument 2 A LabVIEW software module VI which consists of a front panel user interface and a block diagram program volatile memory Memory that loses its conten...

Страница 43: ...s B 2 diagnostic tools NI resources B 1 diagram 2 1 digital output port LEDs 2 7 simple expansion I O connector 2 8 simple expansion I O connector pinout figure 2 8 switch input port 2 7 digital signa...

Страница 44: ...lash write enable jumper 2 11 J6 standard expansion analog I O connector 2 9 J8 PC USB port 2 5 J10 power port 2 6 J11 simple expansion digital I O connector 2 8 J12 flash boot jumper 2 11 jumper 2 10...

Страница 45: ...2 13 resetting the DSP 2 13 S safety information 1 2 simple expansion digital I O connector 2 8 pinout figure 2 8 software examples 1 4 NI resources B 1 speakers using 2 6 standalone mode 1 2 2 6 sta...

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