Perytech PLA-1664, PLA-16128, PLA-32128, PLA-321M, PLA-322M User Manual

Peregrine Technology CO.,LTD.

Logic Analyzer

User Manual

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Contents

Safe Use Specifications ........................................................................................................................... 3

1. System Requirement ....................................................................................................................... 4

2. Package Content ............................................................................................................................... 5

3. Exterior Appearance of the Logic Analyzer ........................................................................... 6

4. Software Installation ....................................................................................................................... 7

5. Logic Analyzer Software Operating Instructions ............................................................... 8

5.1. Quick start ....................................................................................................................................... 8

5.2. Setting the trigger condition ............................................................................................... 10

5.3. Setting the size of the memory and the sampling rate ............................................ 11

5.4. Setting trigger position .......................................................................................................... 12

5.5. Screen scaling ............................................................................................................................. 13

5.6. Move screen ................................................................................................................................ 14

5.7. Move the previous/next waveform edge ....................................................................... 15

5.8. Hot key list .................................................................................................................................... 16

5.9. Channel editing (add, delete, rename) ............................................................................ 17

5.10. Cursor function ...................................................................................................................... 18

5.11. Bus decoding function ....................................................................................................... 19

5.12. Bus packet list function ...................................................................................................... 23

5.13. Search bus data ..................................................................................................................... 24

5.14. Bus displayed as analog type .......................................................................................... 25

5.15. File function ............................................................................................................................. 26

5.16. Synchronizing waveforms from two files ................................................................... 27

5.17. Printing function ................................................................................................................... 29

5.18. Data export function ........................................................................................................... 30

5.19. External clock input .............................................................................................................. 33

5.20. Trigger width ........................................................................................................................... 35

5.21. Set trigger voltage ................................................................................................................ 37

5.22. Delay trigger ........................................................................................................................... 38

5.23. Data filter .................................................................................................................................. 39

5.24. Noise filter ................................................................................................................................ 41

5.25. Data inverse function .......................................................................................................... 42

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5.26. Packet trigger function ....................................................................................................... 44

5.27. Frequency counter function ............................................................................................. 45

5.28. Compression function ........................................................................................................ 46

6. Specification .................................................................................................................................... 48

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Safe Use Specifications

Thank you for choosing Perytech instruments. Before you start using our instrument,

please read the safe use specifications and understand the accurate method of use.

When using the instrument(s), please follow the safety rules to ensure the product is

functioning normally.

Please do not remove the outer casing: removing the outer casing can cause

electrocution and can damage the internal components.

Please connect the grounding end correctly: please do not connect the grounding

end to the power source to prevent damage to the logic analyzer and computer.

Please do not use oscilloscope in high temperatures and high humidity environments

or near flammable materials. This is to prevent damage to the logic analyzer.

If the instrument will not be used for a long time, please remove the USB cable to

conserve power.

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1. System Requirement

◆ Microsoft Windows XP/Vista /Windows 7/Windows 8/Windows 10 operating

system (including 32 & 64).

◆ USB 2.0 port.

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2. Package Content

Product Name

Quantity

Logic analyzer

1

USB cable

1

8P colored test wire

2 or 4*

2P black test wire

1

1P white test wire

1

Clips

18 or 36*

Software CD

1

*The 16 channel model has two sets of 8P colored test wire and 18 clips. The 32

channel model has four sets of 8P colored test wire and 36 clips.

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3. Exterior Appearance of the Logic Analyzer

⚫ USB Port: interface between the logic

analyzer and computer

communication.

⚫ Power LED: when power supply is

normal this will shine red light.

⚫ TRIG LED: when the signal triggers

this will shine green light.

⚫ A0 - A7: signal input Port A

⚫ B0 - B7: signal input Port B

⚫ C0 – C7: signal input Port C

⚫ D0 – D7: signal input Port D

⚫ GND: ground

⚫ CLK: exterior clock input.

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4. Software Installation

The attached CD contains the LA installation software. The file name is

“LA_Install_V1.xx.exe” and the xx is the edition number. You can also download the

installation software from the Perytech website. Implement to install the software.

Software installation is very simple. Just press “Next.” The driver will also be installed

together. After installation is complete, an “LA” shortcut will appear on the desktop

and in the start function, as shown below.

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5. Logic Analyzer Software Operating Instructions

5.1. Quick start

Click the LA shortcut on the desktop to activate the LA software. The following figure

is the software screen for the 32 channel model logic analyzer. If the instrument is a 16

channel model then the channel number would be 16. Except for the different

number of channels, the operating method for the 16 and 32 channel logic analyzer is

the same.

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Basic operation of the logic analyzer requires only two steps:

1. Setting trigger conditions: click the Trig box (where the mouse cursor is in the

below figure) to set the trigger condition. Here we set the trigger condition as

Channel A0 rising edge.

2. Press the “Run” button.

After pressing the “Run” button, the logic analyzer will start to detect trigger signals.

When the trigger signal appears, the analyzer will transmit the data from the logic

analyzer back to the PC. The PC screen will show the waveform.

The “Repeat Run” next to the Run button is used to repeat the Run. If you wish to

stop, press the “Stop” button on the side at any time.

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5.2. Setting the trigger condition

Click the Trig box (where the mouse cursor is located in the following figure) to set the

trigger condition. Click the mouse’s left button to cycle and change the trigger

condition. Click the mouse’s right button to display the trigger menu, shown below.

The menu can be used to select trigger conditions.

There are six trigger conditions to choose from: None, Rising Edge, Failing Edge,

Either Edge, High, and Low.

Because edge trigger (rising edge, failing edge, and either edge) is an instant action,

only one channel can be set at the edge trigger at the same time. Multiple channels

can be set at the same time for the level trigger (High, Low). Only when the signal

satisfies all set conditions will the logic analyzer be triggered.

The trigger point is indicated by the red T cursor, as shown below. You can also use Alt

+ T to move the screen to the trigger point position.

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5.3. Setting the size of the memory and the sampling rate

Use the “RAM Size” and “Sample Rate” pull down menu in the toolbar to select

memory size and sampling rate, as shown in the below figure.

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5.4. Setting trigger position

Use the “Trig Position” pull-down menu to select the trigger position, as shown below.

For example, if you select 20%, the trigger point will be in the front 20% position of all

the data. The default value is 10%.

Sometimes the trigger will be in front of the set position. For example, the trigger

setting is at 50%, but the trigger point is at the 20% position. This is because the

memory has not yet filled in the data in front of the 50% before the trigger signal

appeared. Thus, there will be less data before the memory. You can set it so that the

memory must be filled in before trigger can be activated. Open Tools → Option. Open

the Option window, as shown below. The Trigger Position default setting is “the

trigger condition occurs.” Change this to “the trigger condition occurs and the

memory is filled.” This way, the hardware will wait for the memory to be filled in

before detecting the trigger signal.

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5.5. Screen scaling

There are five ways to scale the screen:

1. Press the Ctrl key + mouse roller

2. Use the buttons in the toolbar

3. The “+ -” keys on the keyboard

4. Use the button in the toolbar. The function of this is to magnify the part

frame-selected with the mouse

5. The function of the button in the toolbar is to shrink all the waveforms into

the screen.

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5.6. Move screen

Press the right mouse button to drag the screen, as shown below. The mouse roller

can also be used scroll the screen.

The left /right button on the keyboard can also be used to move the waveform. Each

moving distance is one large grid. The Page Up/Page Down can also be used to move

the move waveform. The distance of each move is approximately 10 large grids.

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5.7. Move the previous/next waveform edge

The buttons in the toolbar can move the screen to the previous/next edge of

the waveform. This is useful for searching the waveforms. First, select the channel on

the left side Channel Panel (as shown below). Then press to move to the

next/previous edge of the waveform. The hot key is the “Ctrl + Left/Right” keys.

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5.8. Hot key list

The following is a list of hot keys related to screen operations

Hot key

Function

Right mouse right button

Drag screen

Mouse roller

Move screen

Keyboard left/right key

Left/right move screen (one

grid)

Keyboard Page Up/Page

Down key

Jump to previous page/next

page waveform

Ctrl + mouse roller

Screen scaling

Keyboard + - key

Screen scaling

Ctrl + keyboard left/right key

Go to the previous/next

waveform edge

Keyboard Page Up/Page

Down key

Left/right move screen (10

grids)

Left mouse button

Move cursor (A, B Bar)

Keyboard Alt + A/B/T key

Jump to A/B/T Bar position

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5.9. Channel editing (add, delete, rename)

There are many channel editing functions on the “Channel Panel” on the left side of

the screen. Click the mouse’s right button on the channel and a menu will be

displayed, as shown below. This menu can be used to add/delete channels, edit the

channel name, or change the channel color. The left mouse button can be used to

drag the channel. The mouse can also be used to adjust the channel height.

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5.10. Cursor function

Click the right mouse button on the rule area above the waveform will show the

cursor menu, as shown below. You can place the A/B cursor or go to the A/B/T cursor

position (T: trigger cursor). You can also go to the beginning and go to the end

position.

Press the left mouse button to drag the cursor, as shown below. The cursor will

automatically align the waveform edge. If the mouse cursor moves close to the

waveform edge when dragging the cursor, the waveform’s edge will display green, as

shown below. If the left mouse button is released at this time, the cursor will

automatically align the edge.

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5.11. Bus decoding function

Press Ctrl + left mouse button on the left side Channel Panel to select the channel.

The selected channel will turn greyish-blue, as shown below. Press the mouse’s right

button to display the channel operation menu. Choose “Group Into Bus.”

Then the selected channels will be integrated into a bus, as shown below. Because the

bus decoding is not set, the displayed channel is in hexadecimal value.

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The following uses the I2C bus as an example to describe how to use the bus

decoding function.

First, we group the two I2C bus channels into a bus. Then we press the right mouse

button on the grouped bus and choose Bus Decode, as shown below.

Next, the Protocol List window will appear, which is used to select the bus type to be

decoded. Select I2C and then press OK.

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The parameter setting window will appear that is used to set the I2C’s channels and

parameters. Set according to the actual situation. Press OK after selection is complete.

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If the setting is correct the bus decoding result can be seen, as shown below.

The default bus decoding format is in hexadecimal (Hex) values. The user can also choose the

decimal or ASCII (the setting is in the Menu -> Option -> Packet Data Format) format.

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5.12. Bus packet list function

The packet list function can be used to conveniently analyze large quantity of data.

Open Tools → Packet List to show the bus packet list, as shown below.

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5.13. Search bus data

Click the binocular button in the toolbar to open the search function window, as

shown below. Input the search key words (here the example shows input 0x21) and

press “Next.” Packets that match the keywords will then appear on the screen.

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5.14. Bus displayed as analog type

In addition to digital values, the bus can also be displayed as analog waveform. Press

the right mouse button on the bus and select the analog waveform.

The bus value will be displayed as analog waveform, as shown below.

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5.15. File function

The “File” menu can be used to implement file related functions, as shown below.

When saving a file, the software setting will also be stored at the same time (such as

bus setting and trigger setting). The filename extension for saved files is *.MSO.

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5.16. Synchronizing waveforms from two files

The software can simultaneously open two files for comparison. The file

synchronization function can synchronization move and scale the two files. The file

synchronization function is in Tool → File Synchronization, as shown below.

After selecting, the file synchronization window will appear, as shown below. When

synchronizing move, the synchronization starting point A, B, or T cursor can be

selected.

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5.17. Printing function

The printing function is in the “File” menu under “Print,” as shown below.

To save on ink use, the print background is set as white, as shown below.

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5.18. Data export function

The data export function can export the data as a text file. Open File → Export

Waveform, as shown below.

After implementing this function, the file save window will appear, as in the following

figure. You can choose the directory and file name you want to save under.

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The in the exported file is shown below. The start of the exported file has the file

export time (create time), memory depth (data count), and sampling rate. The data

content is in octal or hexadecimal numerals, representing 32 Bit data. From left to

right is the channels D7-D0, C7-C0, B7-B0, and A7-A0.

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If you do not need the file starting information, you can change the setting in the

menu, under Tool → Option. In the Option window the default is selecting the “Export

data with description.” You can uncheck this selection, as shown below.

After unchecking the selection, the content of the exported file will only have data, as

shown below.

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5.19. External clock input

Other than using the logic analyzer’s internal frequency, you can also use an external

input clock as the sampling frequency. There is a “CLK” input end on the logic analyzer

panel. For position, please reference the following red frame. The CLK is used for

inputting external clock.

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The software must be set to external clock. In the menu, choose Setup → Sample

Clock Source, as shown below.

After selecting this function, the Sample Clock Source window will appear, as shown

below. The Clock Source default is the “Internal Clock.” To change to input from an

external clock, please select “External Clock.” In the Frequency column, please input

the frequency of the external clock to make the time value accurate.

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5.20. Trigger width

The logic analyzer can be set to trigger only when the signal width is greater than or

smaller than the set time. In the menu, choose Setup → Trig Width, as shown below.

After selecting, the Trig Width window will appear. This is used for setting the trigger

width parameters, as shown below. The “Width Time” column is used to set the signal

width. The “Trig Condition” is used to select greater than or less than the set time.

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The Trig Position area is used to set the position produced by the trigger. The “Trig at

Signal Edge” is when the trigger signal ends. The “Trig at Width Time” is when the

trigger condition is established.

Here we use an actual example for the description. The trigger condition is set as

Channel A0 High, and triggers when the signal width is greater than 2us. The Trig

Position default is set as Trig at Signal Edge. The trigger point will appear at the

location where the High signal ends, as shown below.

If the Trig Position is changed to Trig at Width Time, then when the signal width

exceeds 2us, it will immediately trigger, as shown below.

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5.21. Set trigger voltage

The logic analyzer default trigger voltage is 2.2V. When you need to adjust the trigger

voltage, go to the menu and select Setup → Trig Voltage, as shown below.

After selecting, the trigger voltage setting window will appear, as shown below. Input

the trigger voltage value and press OK. The trigger voltage setting scope is from -6.0V

- +6.0V.

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5.22. Delay trigger

If you need to observe the waveform for a period of time after the trigger, you can use

the “Trig Delay” function to delay the trigger. The Trig Delay function is in the menu,

under Setup → Trig Delay, as shown below. The Trig Delay window will appear after
being selected.

The Trig Delay window is as shown below. The setup method is simple. Just directly

input the delay time and press OK.

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5.23. Data filter

When there is a large amount of data and you only need a small part, you can use the

data filter function to filter out the required data. The following figure is a SPI signal.

Because the data interval is long, the screen will only show one piece of data.

Observation of this SPI signal shows that when the data is transmitted, the Enable

signal (brown) is in Low status. At this time we can use the Data Filter function to filter

out the signal that has been enabled as Low. The Data Filter function is in the menu,

under Setup → Data Filter, as shown below.

Set to extract data when the Enable signal (A0) is Low, as shown below.

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Waveform of the extracted signal after setting the filter is shown below. When Enable

is High, the data will be filter out, leaving data that has been enabled as Low.

“Separate Data” function will retain a piece of filtered data to be used as data

separation. This can facilitate data analysis. The default is open, but you can turn it off.

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5.24. Noise filter

Noise filter can be used in an environment with a lot of interference to filter out

unnecessary noise. The function is located in the menu under Setup → Noise Filter, as

shown below.

The Noise Filter window is as shown below. You can use the pull-down menu to select

the noise filter level. The choices are 0, 1, or 2. The default is 0, which means that the

filter function is not in use.

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5.25. Data inverse function

Sometimes the data needs to be inversed, such as when measuring the RS-232 signal.

At this time, the “data inverse” function can be used. The data inverse function is in the

menu, under Setup → Data Inverse, as shown below.

Data Inverse window is as follows. Here you can select the channels you wish to

inverse.

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Channels set as inverse will have a horizontal line on the channel panel. This indicates

that the data is inversed. The following figure is the A0 channel set to data inverse.

A0’s data will be changed from High to Low and from Low to High.

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5.26. Packet trigger function

If you need to capture a specific bus packet you can use the “packet trigger” function.

The packet trigger function is in the menu, under Setup → Packet Trigger, as shown

below.

The principle behind the packet trigger is to analyze the extracted data to determine if

it contains the packet you need. If the data does not contain the packet, it will

continue to run until the designated packet appears.

Because packet trigger analyzes extracted data, you still need to set hardware trigger

to accurately extract data.

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5.27. Frequency counter function

Frequency counter allows you to measure the signal frequency. The location is in the

menu, under Setup → Frequency Counter, as shown below.

The maximum digit in the frequency counter function is 10 digits. The accuracy level

can reach 0.1Hz and the highest measured frequency is 200 Mhz. There are four

measuring cycles, 0.2, 1, 5, or 10 seconds. The higher the cycle is, the more precise the

measurement. There are two measurement channels that can be chosen as the

frequency counter input. The level of the CLK channel input resistance 1M Ω and

bandwidth 200 Mhz cannot be adjusted. The level of B7 channel input resistance 500

Ω and bandwidth 100MHz can be adjusted.

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5.28. Compression function

Perytech logic analyzer can support a maximum data compression of over one million

times, which can significantly improve your measurement time.

The compression function is easy to use. In the menu, choose Setup → Compress.

After selecting, a check mark will appear next to the “Compress,” as shown below. This

indicates that the compression mode has been enabled. In the compression mode, 16

channels can be used.

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Principle of the compression function: in normal situations, the logic analyzer will

store all sampled signal into the memory. When compression is enabled, the signal

content and time duration is only stored when the signal changes. Because in reality

the signal will not have change at each sampling point, the compression function can

generally significantly increase the measuring time period.

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6. Specification

Specification /

Model

PLA-1664

PLA-16128

PLA-32128

PLA-321M

PLA-322M

Channels

16

16

32

32

32

Memory

Depth(Per

Channel)

64k

128k

128k

1M

2M

Max.

Compression

Depth

64G

128G

128G

1T

2T

Max. Compression
Record Time (Sec)

320

640

640

5000

10000

Max Sample Rate

200MS/s

Max External Clock

Input Frequency

200MHz

Bandwidth

100MHz

Max Compression

Ratio

2^20 (More than 1 million)

Available
Channels for
Compression

16

Data Filter

Support filtering independently or with compression functions

Noise Filter

Support hardware glitch filter with 1 or 2 sampling width

Trig Condition

Rising Edge, Failing Edge, Either Edge, High, Low, None

Trig Width

Support trigger condition that signal is greater than or less than specific

Width Time

Trig Position

Adjustment

Trigger position can be adjusted for occupying 10% to 90% of memory,

and the default value is 50%

Trig Delay

Function

Support

Trig Voltage

Range

+6V ~ -6V

Trig Voltage

Resolution

0.1V

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Max Input Voltage

±30V

Bus Decode

I2C, SPI, UART, I2S, PS2, 1-Wire, USB 1.1, S/PDIF, SD, CAN Bus, Lin
Bus, 3-Wire, Microwire, SSI, Miller, Manchester, SM Bus, Modbus (be
on the increase)

Bus Upgrade

Always free

Bus Packet List

Support

Bus Export

Waveform

Support

Input Impedance

500KΩ / 10pF

OS Support

Windows XP / Vista / Windows 7 / Windows 8.1 (32 & 64) / Windows 10

(32 & 64)

Interface

USB 2.0

Dissipation Power

< 2.5W

Power

USB (DC 5V, 500mA)

Dimension

134 x 89 x 24 (mm)

Weight

220 g