GW Instek GDS-3000 Series User manual

Digital Storage Oscilloscope
GDS-3000 Series
SERIAL DECODE MANUAL
GW INSTEK PART NO. 82DS-SBD00U01
ISO-9001 CERTIFIED MANUFACTURER

October 2010
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.

TABLE OF CONTENTS
3
Table of Contents
GETTING STARTED........................................................... 5
Activating Optional Software ................. 6
QUICK REFERENCE........................................................... 8
Menu Tree / Operation Shortcuts ..........9
MEASUREMENT.............................................................. 12
Serial Bus ............................................ 13
INDEX............................................................................. 29

4

GETTING STARTED
5
GETTING STARTED
This chapter describes how to install the serial
decode software.
Activating Optional Software ............................................. 6

GDS-3000 Serial Decode User Manual
6
Activating Optional Software
Background The GDS-3000 has Power Analysis software, Serial
bus decoding software (page 13) as well as other
GW Instek software packages as optional extras.
An activation key is required to activate the
software. An activation key is required for each
optional software package.
For the latest files and information regarding the
optional software packages, see the GW Instek
website: www.gwinstek.com
Activation key
filenames
Serial bus decode
activation key
XX.LIS
Steps 1. Insert a USB stick into the front
panel USB port with the activation
keys located in the root directory.
2. Press the Utility key.
3. Press File Utilities from the bottom
menu.
4. The file system appears.

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, press the Select
key again.
Files: XX.LIS
Confirm
Activation key
Press B1 on the front panel to see if the
Serial Bus decode activation worked.

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 access to
the functionality.
Menu Tree / Operation Shortcuts ...................................... 9
BUS – UART.......................................................................... 9
BUS – I2C................................................................................ 9
BUS – SPI (4 channel models only) ..................................10
Trigger Bus Menu – I2C......................................................10
Trigger Bus Menu – UART................................................11
Trigger Bus Menu – SPI (4 channel models only)...........11

QUICK REFERENCE
9
Menu Tree / Operation Shortcuts
BUS – UART
BUS – I2C
Define Inputs Include R/W in
address Bus Display
UART
I2C
SPI
On
Off
Event Table
CH1~CH4
SCLK
SCLK
SDA
Select
XXX~XXX
Threshold
Set to TTL 1.4V
Set to ECL -
1.3V
Yes
No
Hex
Binary
Save Event
Table
CH1~CH4
SDA
7 bit
10 bit
Addressing Mode

GDS-3000 Serial Decode User Manual
10
BUS – SPI (4 channel models only)
Trigger Bus Menu – I2C