Gw-instek GDS-2000A series Option User Manual Manual de usuario

Digital Storage Oscilloscope GDS-2000A Series OPTIONS USER MANUAL ISO-9001 CERTIFIED MANUFACTURER

GDS-2000A Series Options Manual 10 Options Menu Tree Option Key Accesses the functions in the Option menu. FunctionGen 1FunctionGen 2I/OLogic An

QUICK REFERENCE 11 Logic Analyzer Setup the Logic Analyzer inputs. D15 – D0On/OffThresholdsAnalogWaveformHeightSample Rate Go BackD0 ~ D15SelectO

GDS-2000A Series Options Manual 12 Search - Bus Set the Search function for bus events. Note: The source bus is determined from the bus trigger

QUICK REFERENCE 13 Trigger - Bus TypeBusSource BusUART*I2C*SPI*Parallel*BBBBSearch On Tx Start BitRx Start BitTx End of PacketRx End of PacketTx

GDS-2000A Series Options Manual 14 Trigger - Logic Clock EdgeWhen ThresholdDefine InputsD0~D15SelectClockHigh ( H )Low ( L )Don’t Care( X )5%5%Go

QUICK REFERENCE 15 Bus - UART Define Inputs Threshold ConfigureBus DisplayEvent TableHexBinaryPolarity Normal(High = 0)50, 75, 110, 134, 150, 300

GDS-2000A Series Options Manual 16 Bus – I2C Define Inputs ThresholdInclude R/Win addressBus DisplayEvent TableHexBinaryEdit LabelsBusI2CBD0~D15S

QUICK REFERENCE 17 Bus – SPI SCLKSSMOSIMISODefine Inputs Threshold ConfigureBus DisplayEvent TableHexBinaryEdit LabelsBusSPIBD0~D15SCLK InputD0~D

GDS-2000A Series Options Manual 18 Bus – Parallel Define Inputs ThresholdBus DisplayEvent TableHexBinaryEdit LabelsBusParallelBXX~XXVThresholdUse

FUNCTION GENERATOR 19 FUNCTION GENERATOR Function Generator Operation ... 20 Overview ...

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GDS-2000A Series Options Manual 20 Function Generator Operation Overview Background The DDS Function Generator module allows the GDS-2000A to cre

FUNCTION GENERATOR 21 Using the Function Generator Option Background This section will describe how to use the function generator modules. To use

GDS-2000A Series Options Manual 22 4. Press Frequency from the side menu. Use the Variable knob to highlight either User or a preset frequency

FUNCTION GENERATOR 23 Fine adjustment modeLeft and Right soft-keysDefaultGo Back 5. Press the Amplitude key to set the amplitude. Range 300m

GDS-2000A Series Options Manual 24 Function Generator Calibration Background The function generator module can also be calibrated from the System

FUNCTION GENERATOR 25 5. Press Function Generator from the side menu. Wait a few moments for the calibration to finish. “Complete” will be dis

GDS-2000A Series Options Manual 26 LOGIC ANALYZER Logic Analyzer Operation ... 28 Overview ...

LOGIC ANALYZER 27 Trigger Settings ... 69 Serial Bus Trigger Settings ...

GDS-2000A Series Options Manual 28 Logic Analyzer Operation Overview Background The Logic Analyzer inputs can only be used when a Logic Analyzer

LOGIC ANALYZER 29 Using the Logic Analyzer Probes Background This section will describe how to connect the digital channels to the device under t

TABLE OF CONTENTS 3 Table of Contents GETTING STARTED ... 4 GDS-2000A Options Overview ...

GDS-2000A Series Options Manual 30 Digital Display Overview Analog waveform indicatorDigital channel indicatorsDigital waveformsAnalog waveformDig

LOGIC ANALYZER 31 Activating Digital Channels The digital channels can be initially turned on in groups of 8 or individually. Activate Digital Cha

GDS-2000A Series Options Manual 32 Activate Individual Channels Background Each digital channel or group can be turned on or off individually. Pa

LOGIC ANALYZER 33 5. Press the Select soft-key again to reduce the menu. Note Channels can also be selected just by turning the variable knob

GDS-2000A Series Options Manual 34 2. Use the variable knob to choose a channel or group. The selected channel/group will be shown on the Select

LOGIC ANALYZER 35 The Move mode is used to move the digital channel position on the graticule as well as to group the channels. If you turned on

GDS-2000A Series Options Manual 36 If you continue to move the channel indicator past the next/previous channel, it will move the indicator anywh

LOGIC ANALYZER 37 6. Press the Select key again. This will return you to the LA Select mode. You can tell when it is in the Select mode as no

GDS-2000A Series Options Manual 38 Digital Channel Vertical Scale Background The digital channels have 3 preset scales, S, M, L. Panel Operation

LOGIC ANALYZER 39 3. Press Choose Preset to select a pre-set logic threshold. Logic Type Threshold TTL 1.4V 5.0V CMOS 2.5V 3.3V CMOS 1.

GDS-2000A Series Options Manual 4 GETTING STARTED This chapter gives a brief overview of optional modules and software available for the GDS-2000A

GDS-2000A Series Options Manual 40 Analog Waveform Background The analog waveform function combines the digital channel inputs into two 8-bit ana

LOGIC ANALYZER 41 Set Vertical Position 5. Press Vertical until div parameter is highlighted. Use the Variable knob to set the position. Set Ver

GDS-2000A Series Options Manual 42 3. To choose a preset label, Press User Preset from the side menu and choose a label. Labels ACK, AD0, AD

LOGIC ANALYZER 43 Press Enter Character to select a number or letter. Press Back Space to delete a character. Press Editing Completed to

GDS-2000A Series Options Manual 44 Bus Key Configuration The Bus key is used to configure the Parallel and Serial bus inputs. The Bus menu also fe

LOGIC ANALYZER 45 Trigger Configuration Shows the bus trigger (B) and the Trigger On settings.

GDS-2000A Series Options Manual 46 Parallel Bus Input Configuration Background The digital channels can be configured as a parallel bus. The num

LOGIC ANALYZER 47 6. If you wish to define which channels are assigned to the bus, press Select Signal from the side menu and select the bit tha

GDS-2000A Series Options Manual 48 3.3V CMOS 1.65V 2.5V CMOS 1.25V ECL -1.3V PECL 3.7V 0V 0V 4. Press Threshold to set a user defined

LOGIC ANALYZER 49 Parallel Bus Event Table Event Table The parallel bus event table lists when each data event on the bus occurred. The data is d

GETTING STARTED 5 GDS-2000A Options Overview The GDS-2000A has a number of options that can be installed to increase the functionality of the base

GDS-2000A Series Options Manual 50 Example Time of eventEvent data Adding a Label to the Parallel Bus Background A label can be added to the p

LOGIC ANALYZER 51 4. The Edit Label window appears. 5. Use the Variable knob to highlight a character. VARIABLE Press Enter Characte

GDS-2000A Series Options Manual 52 Press Cancel to cancel the editing and return to the Edit Label menu. 6. The label will appear next to the

LOGIC ANALYZER 53 Serial Bus The Serial Bus for Logic Analyzer software includes support for 3 common serial interfaces, SPI, UART and I2C. Each

GDS-2000A Series Options Manual 54 SPI The SPI (Serial Interface Peripheral) bus is fully configurable to accommodate the wide variety of SPI inte

LOGIC ANALYZER 55 Operation 1. Connect each of the bus signals (Tx, Rx) to one of the logic analyzer inputs. Connect the ground potential of the

GDS-2000A Series Options Manual 56 1. Press Configure from the bottom menu. 2. From the side menu select the Baud rate, Data bits, Parity, P

LOGIC ANALYZER 57 GNDSCLKSDA 2. Press the Bus key. BBUS 3. Press Bus from the bottom menu and choose I2C from the side menu. Define Inputs

GDS-2000A Series Options Manual 58 SIMO) and the Master input/slave output (MISO, or SOMI). The word size is configurable from 4 to 32 bits. The S

LOGIC ANALYZER 59 Configuration The Configure menu sets the data line logic level, SCLK edge polarity, word size and bit order. 1. Press Config

GDS-2000A Series Options Manual 6 Module Installation Background The GDS-2000A has a number of optional modules that can be installed into the mo

GDS-2000A Series Options Manual 60 2. Press Select from the side menu and choose a one of the serial bus lines. UART Tx, Rx I2C SCLK, SDA

LOGIC ANALYZER 61 Serial Bus Event Tables Background The serial bus event tables list when each data event on the bus occurred. The data is displ

GDS-2000A Series Options Manual 62 Save Event Table 4. To save the event table, press Save Event Table. The Event table will be saved to the curr

LOGIC ANALYZER 63 Example: I2C Data Detail Time of triggerAddressData DetailSelect cursor Note Data Detail is only available with the 12C bus.

GDS-2000A Series Options Manual 64 Event Tables Format Each bus type (Parallel, UART, I2C, SPI) can have an event table saved containing each bus

LOGIC ANALYZER 65 Example Below shows the data associated with an SPI event table in a spreadsheet. Time MOSI MISO-11.60us 0D87 0D87-10.16us 06C

GDS-2000A Series Options Manual 66 4. The Edit Label window appears. 5. Use the Variable knob to highlight a character. VARIABLE Pre

LOGIC ANALYZER 67 Press Cancel to cancel the editing and return to the Edit Label menu. 6. The label will appear next to the bus indicator.

GDS-2000A Series Options Manual 68 Left and right cursor ( + ) movable together 3. The cursor position information appears on the top left ha

LOGIC ANALYZER 69 Trigger Settings Serial Bus Trigger Settings UART BUS Trigger Settings The UART bus trigger conditions can be set at any time a

GETTING STARTED 7 Software Installation Background The GDS-2000A has optional software packages to expand the functionality of the standard GDS-2

GDS-2000A Series Options Manual 70 2. Press Number of Bytes from the side menu and choose the number of bytes for the data. UART 1~10 Bytes

LOGIC ANALYZER 71 4. Press Others from the side menu and select Bus. 5. Press Trigger On and select the triggering condition for the selected

GDS-2000A Series Options Manual 72 Binary 0,1,X (don’t care) Hex 0~F, X (don’t care) Trigger On - Address If Address or Address/Data was conf

LOGIC ANALYZER 73 Variable knob to highlight a binary or hex digit and press Select. Use the Variable knob to choose a value for the digit and pr

GDS-2000A Series Options Manual 74 Trigger On – Data If MOSI, MISO or MISO/MOSI was configured for the Trigger On setting, then the number of wor

LOGIC ANALYZER 75 3. Select Others → Bus from the side menu. The Bus indicator appears at the bottom of the display. From left: Bus trigger,

GDS-2000A Series Options Manual 76 2. Press Mode from the bottom menu to change the triggering mode. 3. Use the side panel to select Auto or

LOGIC ANALYZER 77 5. Press Select on the side menu and select a channel. 6. Next, select a logic level for the selected channel, or set the se

GDS-2000A Series Options Manual 78 Trigger Threshold Levels The trigger threshold levels for the can assigned from a selected number of preset log

LOGIC ANALYZER 79 Logic Trigger Mode Background Like the other trigger configurations, the Logic Trigger can be set to Auto (Untriggered Roll) an

GDS-2000A Series Options Manual 8 5. The installation will complete in a few seconds. When finished a pop-up message will appear asking you to r

INDEX 80 INDEX Digital channels activation .... 31 analog waveform ... 40 grouping ...

QUICK REFERENCE 9 QUICK REFERENCE This chapter describes the menu tree for the option software. Options Menu Tree .........