Digital Storage Oscilloscope GDS-3000 Series SERIAL DECODE MANUAL GW INSTEK PART NO. 82DS-SBD00U01 ISO-9001 CERTIFIED MANUFACTURER
GDS-3000 Serial Decode User Manual 10 BUS – SPI (4 channel models only) Trigger Bus Menu – I2C
QUICK REFERENCE 11 Trigger Bus Menu – UART Trigger Bus Menu – SPI (4 channel models only)
GDS-3000 Serial Decode User Manual 12 MEASUREMENT Serial Bus ... 13Serial Bu
MEASUREMENT 13 Serial Bus The serial bus trigger and decode software includes support for 3 common serial interfaces: SPI (4 channel models only),
GDS-3000 Serial Decode User Manual 14 Configuration Addressing mode, Read/Write in address Trigger On Start, Repeat Start, Stop, Missing Ack, Addr
MEASUREMENT 15 Serial Decode Display Start Bit The Start bit is shown as a green bracket. Stop Bit The Stop bit is shown as an orange bracket.
GDS-3000 Serial Decode User Manual 16 Bus Trigger Settings The bus trigger conditions should be set at any time after UART, I2C or SPI have been s
MEASUREMENT 17 1. If Trigger On was configured to Data*, press Data from the bottom menu. *The applicable Trigger On settings are shown below.
GDS-3000 Serial Decode User Manual 18 Trigger On - Address If Address was configured for the Trigger On setting, then the triggering address/addr
MEASUREMENT 19 Variable knob to highlight a binary or hex digit and press Select. Use the Variable knob to choose a value for the digit and press
October 2010 This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be p
GDS-3000 Serial Decode User Manual 20 I2C Time, Repeat Start, Address, Data, Missing Ack. SPI Time, MISO frame data, MOSI frame data. Example
MEASUREMENT 21 2. Choose Bus 1 or Bus 2 by pressing the corresponding bus key, B1 or B2. 3. Press Bus from the bottom menu and choose the
GDS-3000 Serial Decode User Manual 22 3. Press Threshold from the side menu and configure the threshold. Logic 0<threshold<logic 1 To
MEASUREMENT 23 Bus Display Press Bus Display from the bottom menu and Hex or Binary from the side menu. Range Hex, Binary Event Table 1. Press
GDS-3000 Serial Decode User Manual 24 2. Press the corresponding bus key, B1 or B2. 3. Press Bus from the bottom menu and choose I2C from
MEASUREMENT 25 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 address 1. Press
GDS-3000 Serial Decode User Manual 26 SPI Serial Bus Interface The serial peripheral interface (SPI) is a full duplex 4 wire synchronous serial in
MEASUREMENT 27 MOSI OFF, CH1~4 MISO OFF, CH1~4 Set the Threshold 1. Press Threshold from the bottom menu. 2. Press Select from the side me
GDS-3000 Serial Decode User Manual 28 Bus Display Press Bus Display from the bottom menu and Hex or Binary from the side menu. Range Hex, Binar
INDEX 29 INDEX Activation keys ... 6 Display diagram ... 15 Event table ...
TABLE OF CONTENTS 3 Table of Contents GETTING STARTED ... 5Activating Optional Software ...
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GETTING STARTED 5 GETTING STARTED This chapter describes how to install the serial decode software. Activating Optional Software ...
GDS-3000 Serial Decode User Manual 6 Activating Optional Software Background The GDS-3000 has Power Analysis software, Serial bus decoding softwa
GETTING STARTED 7 5. Use the Variable knob and Select key to select the activation key from the USB root directory. When prompted to continue,
GDS-3000 Serial Decode User Manual 8 QUICK REFERENCE This chapter depicts the serial bus menu tree. Use them as a handy reference to get quick acc
QUICK REFERENCE 9 Menu Tree / Operation Shortcuts BUS – UART BUS – I2C Define InputsInclude R/W in addressBus DisplayUARTI2CSPIOnOffEvent TableC
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