Digital Storage Oscilloscope
Contents
1. Gegen Mz gies e HO le R Wes TO i 3 S SAL Rx r me i 8 Press the corresponding bus key B1 or bi e 9 Press Bus from the bottom menu and choose the UART serial bus on the side menu 19 GUI STEK GDS 3000 Serial Decode User Manual Define Inputs 10 Press Define Inputs from the bottom menu 11 From the side menu choose the Tx Input and the Rx Input source and the signal polarity Tx OFF CH1 4 Rx OFF CH1 4 Polarity Normal High 0 Inverted High 1 Set the Threshold 12 Press Threshold from the bottom menu 13 Press Select from the side menu Choose Tx or Rx line thresholds Range Tx Rx 14 Press Threshold from the side menu and configure the threshold Threshold 10V 10V To set to TTL levels 1 4V press TTL To set to ECL levels 1 3V press ECL SE i Ge Protocol The Configure key sets the baud rate number of data Configuration bits and parity 20 GUI STEK MEASUREMENT 15 Press Configure from the bottom menu 16 From the side menu select the Baud rate Data bits Parity Packets and End of Packet bits Baud Rate 50 75 110 134 150 300 600 1200 1800 2000 2400 3600 4800 7200 9600 14400 15200 19200 28800 31250 38400 56000 57600 76000 115202. Write in address 17 GU INSTEK SPI 18 GDS 3000 Serial Decode User Manual The SPI Serial Interface Peripheral bus is fully configurable to accommodate the wide variety of SPI interfaces Inputs SCLK SS MOSI MISO Threshold SCLK SS MOSI MISO 10V Configuration SCLK edge SS logic level MOSI logic level MISO logic level word size bit order GUI STEK MEASUREMENT UART Serial Bus Interface The UART serial bus software is designed to decode RS232 and other common RS 232 variants such as R5 422 R5 485 The software configuration is also flexible enough to decode the many proprietary protocols based on RS 232 Background Basic RS 232 protocol uses single ended data transmissions The signal voltage levels can be high 15V and employ active low signaling High speed variants of RS 232 such as RS 422 and RS 485 use differential signaling and commonly employ low voltage differential signals with active high signaling Universal Asynchronous Receiver Transmitter UART or RS 232 driver receiver ICs commonly used for embedded applications typically use active high signaling with standard IC signal levels Panel operation 7 Insert each of the bus signals Tx Rx to one of the oscilloscope channels
3. pollution occurs The pollution has no influence e Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected e Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled Storage e Location Indoor WAU e Temperature 20 C to 70 C Disposal Do not dispose this instrument as unsorted municipal waste Please use a separate collection R facility or contact the supplier from which this instrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact GUI STEK GETTING STARTED G ETTING STARTED This chapter describes how to install the serial decode software or trial demonstration GUI STEK GDS 3000 Serial Decode User Manual Activating Optional Software Background The GDS 3000 has Power Analysis software and Serial bus decoding software 17 as optional extras An activation key is required to activate the software An activation key is required for each optional software package If the serial decode software has not been purchased a time trial demonstration is available for a 1 month per
4. Manual M EASUREMENT Serial Bus CZE 17 Serial Bus Overview cccccssssssccccccssssssesccccccecsssecsccesecesesseees 17 UART Setial B s F rebels 19 I2C Serial Bus Interface SPI Serial Bus Interface GUI STEK MEASUREMENT Serial Bus The serial bus trigger and decode software includes support for 3 common serial interfaces SPI UART and 12C Each interface is fully configurable to accommodate a wide range of protocol variation Up to two different UART or I2C buses can be used at the same time Only 1 SPI bus can be used at a time Each input can be displayed as binary or hexadecimal An event table can also be created to aid in debugging Note that the Serial bus trigger and decode software is an optional extra An activation key is required to activate the software A month trial demonstration is also available For details please see page 10 Serial Bus Overview UART Universal Asynchronous Receiver Transmitter The UART bus is able to accommodate a wide range of various common UART serial communications The UART serial bus software is suitable for a number of RS 232 protocol variants Inputs Tx Rx Polarity Threshold Tx Rx 10V Configuration Baud Rate Data Bits Parity Packets I2C Inter Integrated circuit is a two line serial data interface with a serial data line SDA and serial clock line SCL The R W bit can be configured Inputs SCLK SDA Threshold SCLK SDA 10V Configuration Read
5. access to the functionality Menu Tree Operation Shortcuts ccccecceceeseeseesenees BUS I2C 13 NE es 13 BM 14 DOCE ART EE 15 GW INSTEK QUICK REFERENCE Menu Tree Operation Shortcuts BUS I2C Bus Include R W in Edit File Gr Define Inputs Threshold Bus Display RT SCLK Select Yes Event Table UA He I2C CH CHA No Binary SPI SDA Save Event Table Threshold 1 00A 1 00A Set to TTL 1 4V Set to ECL 1 3V 13 GUI STEK GDS 3000 Serial Decode User Manual BUS SPI Edit File Label Event Table Save Event Table Bus i SPI Define Inputs SCLK Input SS Input 4 UCHI CH4 ES MOSI Input 4 Active High umyj Threshold Jee MOSI Set to ECL MISO Active Low Word Size 8 bits 16 bits 32 bits MS First LS First Select SCLK Rising edge Falling edge Bus Display Hex Binary 14 GW INSTEK QUICK REFERENCE BUS UART Define Inputs Threshold Configure Bus Display Edit File 4 Label TX Input Select Baud Rate Ev Ew Table 50 2764800 s Data Bits RX Input Threshold mr We Event pal 00A 1 00A Parity Table Polarity pa erio mm 1a to TTL 1 4V Polarity Inverted None Packets End of Packet 00 NUL OA LF OD CR 20 SP FF E to ECL 1 3V 15 GU INSTEK GDS 3000 Serial Decode User
6. bottom menu and choose I2C from the side menu Define Inputs 23 Press Define Inputs from the lower menu 24 From the side menu choose the SCLK input and the SDA Input SCLK CH1 4 SDA CH1 4 Set the Threshold 25 Press Threshold from the bottom menu 22 GU INSTEK m gt Lo C A m Z m Z mr 26 From the side menu Press Select to choose SCLK or SDA thresholds Range SCLK SDA 27 Press Threshold from the side menu and configure the threshold Q JAG da LL U Threshold 10V 10V To set to TTL levels 1 4V press Set to TTL To set to ECL levels 1 3V press Set to ECL Include R W in 28 Press Include R W in address from address the bottom menu 29 From the side menu select Yes or No R W in Yes No Address Bus Display 30 Press Bus Display from the bottom menu 31 Choose to display Hex or Binary data on screen Range Hex Binary Event Table 32 Pres Event Table from the bottom menu 23 GUI STEK GDS 3000 Serial Decode User Manual 33 Press Event Table from the side menu to toggle the event table On on or Off Event On Off 34 To save the event table press Save Event Table SPI Serial Bus Interface The serial peripheral interface SPI is a full duplex 4 wire synchronous serial interface The 4 signals lines Serial clock line SCLK slave select SS Master output slave input MOSI or SIMO and the Master input sl
7. 0 128000 230400 460800 921600 1382400 1843200 2764800 Data Bits 7 8 9 Parity Odd Even None Packets On Off End of 00 NUL OA LF OD CR 20 SP Packet FF Hex Bus Display Press Bus Display from the bottom menu and Hex or Binary from the side menu Range Hex Binary Event Table 17 Press Event Table from the bottom menu 18 Press Event Table from the side menu to toggle the event table On on or Off Event On Off 19 To save the event table press Save Event Table 21 GUI STEK GDS 3000 Serial Decode User Manual I2C Serial Bus Interface The I2C PC is a single ended transmission protocol using a serial data line SDA and serial clock line SCL The decode software will trigger on any of the following conditions a start stop condition a restart a missing acknowledge message EEPROM reads and read write frames The DC trigger can be configured BR ignore the R W bit Panel operation 20 Insert each of the bus signals SCLK SDA to one of the oscilloscope channels 6 G O O nr sa 21 Press the corresponding bus key B1 or B2 j 22 Press Bus from the
8. Digital Storage Oscilloscope GDS 3000 Series SERIAL DECODE MANUAL GW INSTEK PART NO R IS0 9001 CERTIFIED MANUFACTURER o GU INSTEK This manual contains proprietary information which is protected by copyright All rights are reserved No part of this manual may be photocopied reproduced or translated to another language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the rights to change specification equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng City Taipei County 236 Taiwan GUI STEK TABLE OF CONTENTS Table of Contents SAFELY INSTRUCTIONS zwosadorce ra RAS AA WA PELE Y 5 SETTING STARTED erse 9 Activating Optional Software 10 FUENTE 12 Menu Tree Operation Shortcuts 13 VS E EE 16 ee ere 17 ND ER 27 GUI STEK SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage Read the following before any operation to insure your safety and to keep the instrument in the best possible condition Safety Symbols These safety symbols may appear in this manual or on the GDS 3000 AN Warning Identifies conditions or practices that WARNING could result in injury or loss of life AN Cauti
9. ave output MISO or SOMI The word size is configurable from 8 32 bits The SPI triggers on the data pattern at the start of each framing period Panel operation 35 Insert each of the bus signals SCLK SS MOSI MISO to one of the oscilloscope channels cere vw Sor O Q Q Q Te 3 K G SEL MOSI 36 Press the corresponding bus key B1 or B2 37 Press Bus from the bottom menu and choose the SPI serial bus SPI Define Inputs 38 Press Define Inputs from the lower menu 24 GUI STEK MEASUREMENT 39 From the side menu choose the SCLK SS MOSI and MISO inputs SCLK CH1 4 SS CH1 4 MOSI OFF CH1 4 MISO OFF CH1 4 Set the Threshold 40 Press Threshold from the bottom menu 41 Press Select from the side menu Choose SCLK SS MOSI or MISO line thresholds Range SCLK SS MOSI MISO SCLK 42 Press Threshold from the side menu and configure the threshold Threshold 10V 10V To set to TTL levels 1 4V press Set to TTL To set to ECL levels 1 3V press Set to ECL IERT Protocol The Configure menu sets the data line logic level Confi
10. easurement performed at the source of low voltage installation e Measurement category III is for measurement performed in the building installation e Measurement category Il is for measurement performed on the circuits directly connected to the low voltage installation e Measurement category I is for measurements performed on circuits not directly connected to Mains Power Supply e AC Input voltage 100 240V AC 48 63Hz d auto selection WARNING Connect the protective grounding conductor of the AC power cord to an earth ground to avoid electrical shock Cleaning the e Disconnect the power cord before cleaning SPOR Use a soft cloth dampened in a solution of mild detergent and water Do not spray any liquid e Do not use chemical containing harsh material such as benzene toluene xylene and acetone Operation e Location Indoor no direct sunlight dust free Environment almost non conductive pollution Note below e Relative Humidity lt 80 e Altitude lt 2000m e Temperature 0 C to 50 C GUI STEK GDS 3000 Serial Decode User Manual Pollution Degree EN 61010 1 2001 specifies the pollution degrees and their requirements as follows The GDS 3000 falls under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive
11. guration SCLK edge polarity word size and bit order 43 Press Configure from the bottom menu 44 From the side menu select SCLK edge SS logic level MOSI logic level MISO logic level word Size and Bit order GU INSTEK GDS 3000 Serial Decode User Manual Bus Display Event Table 26 SCLK rising edge falling edge SS Active High Active Low MOSI Active High Active Low MISO Active High Active Low Word Size 8 bits 16 bits 32 bits Bit Order MS First LS First Press Bus Display from the bottom menu and Hex or Binary from the side menu Range Hex Binary 45 Press Event Table from the bottom menu 46 Press Event Table from the side menu to toggle the event table On on or Off Event On Off 47 To save the event table press Save Event Table AUE GU INSTEK INDEX Activation keys ECA 10 activation RE 10 Caution symbol 5 Power on off Cleaning the instrument 7 satety J STMUCHIOD s mmene 7 Disposal instructions 8 PT OU EE 17 EN61010 12C SEA 22 measurement category 7 ENE eege 17 pollution degree 8 TL 24 a EN UART ssssererere EE 19 salety MSGACHO aoi w Service operanon Cs about disassembly 6 SY NOON EEE 5 Software activation 10 Warning symbol 5 Optional software 27
12. iod Before activating the time trial demonstration ensure the date and time has been set Changing the system date will not have an effect on the time trial period The time trial demonstration software can only be used once For the latest files and information regarding the optional software packages see the GW Instek website www gwinstek com Activation key Serial bus decode BusEnableTrial LIS filenames activation keys BusEnable LIS Steps 1 Ensure the date and time has been See the user set manual for details 2 Insert a USB stick into front panel USB port with the activation keys located in the root directory NN 3 Press the Utility key 10 GUI STEK GETTING STARTED 4 Press File Utilities from the bottom menu 5 The file system appears GWINSTEK E Jul 2889 15 39 54 LE RRG ET IEN II ppns 0 0005 per ee ll 6 Use the Variable knob and Select key to select the activation key from the USB root directory When prompted to continue press the Select key again Files BusEnableTrial LIS BusEnable LIS Confirm Press B1 on the front panel to see if the Activation key Serial Bus decode activation worked 11 12 GU INSTEK GDS 3000 Serial Decode User Manual Quick REFERENCE This chapter depicts the power analysis menu tree Use them as a handy reference to get quick
13. on Identifies conditions or practices that CAUTION could result in damage to the GDS 3000 or to other properties DANGER High Voltage Attention Refer to the Manual Protective Conductor Terminal Earth ground Terminal W gt gt UT GUI STEK GDS 3000 Serial Decode User Manual Do not dispose electronic equipment as unsorted A municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased Safety Guidelines General e Make sure the BNC input voltage does not Guideline exceed 300V peak AN e Never connect a hazardous live voltage to the SESCH ground side of the BNC connectors It might lead to fire and electric shock e Do not place any heavy object on the GDS 3000 e Avoid severe impact or rough handling that leads to damaging the GDS 3000 e Do not discharge static electricity to the GDS 3000 e Use only mating connectors not bare wires for the terminals e Do not block the cooling fan opening e Do not perform measurement at a power source or building installation site Note below e Do not disassemble the GDS 3000 unless you are qualified e Ensure a proper ground is used at all times with the instrument GUI STEK SAFETY INSTRUCTIONS Measurement categories EN 61010 1 2001 specifies the measurement categories and their requirements as follows the GDS 3000 falls under category II e Measurement category IV is for m
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