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Sipeed SLogic Combo 8 Slogic Analyzer Debugger Tool

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Sipeed SLogic Combo 8 Slogic Analyzer DAPLink CKLink Debugger Tool

4 in 1 multifunctional Maximum 8 channels logic analyzer

1. Introduction

Sipeed SLogic Combo 8 is a development tool with functions of logic analyzer, CKLink debugger, DAP-Link debugger and USB2UART, which can be switched arbitrarily by buttons.

2. Function Parameters

2.1. SLogic Function Parameters

Logic Analyzer

SLogic Combo 8

Maximum Channel Number


Maximum Sampling Rate


Transmission Bandwidth


Sampling Mode


Typical Configuration

80M@4CH 40M@8CH

Signal Input Range


High and Low Level Thresholds


In Windows environment, the Sipeed SLogic Combo 8 has maximum transmission bandwidth of 160 Mb/s. The typical configuration includes 80M@2CH and 40M@4CH.

2.2. CKLink Function Parameters


SLogic Combo 8

JTAG Clock Rate


Typical Dump Speed


Debug Serial Port

Up to 20Mbps

2.3. DAPLink Function Parameters


SLogic Combo 8

Debug Serial Port

Up to 20Mbps

Typical Burning Speed


2.4. UART Function Parameters

High Speed Four Serial Ports

SLogic Combo 8

Maximum Baud Rate


Total Bandwidth


Sipeed SLogic Combo 8 has four functions (SLogic, CKLink Debugger, DAP-Link Debugger, USB2UART). This document is intended to guide you on how to select the functions.

1. Button Functions

After power on, press the button to switch functions, and you can see the indicator light change when the switching is successful.

(Up:The red box indicates the position of the function switch button)

Note: When switching functions, do not press the button more frequently than every 100ms; otherwise, it may cause the module to enter boot mode, and you will see that the indicator light will no longer change. If you encounter this situation, try to restart the power supply.


2. Indicator Light Color and Functions

Each function corresponds to a specific color, and you can determine the currently enabled function based on the indicator light color.






Indicator Light Color





(Up:Table of Indicator Light Color and Functions)


3. Panel Information

You can check the current function and corresponding wire sequence through the panel information:

  • The left side shows the wire sequence for CKLink (Yellow)and DAPLink (Green) together, as their wire sequences are similar.
  • The middle section shows the wire sequence for UART (Red).
  • The right side shows the wire sequence for SLogic (Blue).

(Above:Color/Function/Wire Sequence Correspondence Diagram)

Here's an example:

  1. If you want to use the SLogic function, press the button to switch the indicator light to blue. This will enable the SLogic function, and you can find the pin wire sequence for SLogic under the blue font on the panel.
  2. If you want to use the UART function, press the button to switch the indicator light to red. This will enable the UART function, and you can find the pin wire sequence for UART under the red font on the panel.

Alright, now you can switch to the function you need and proceed to the next step!

For more information about Sipeed SLogic Combo 8, please contact us.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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