How to Debug FPGA Using Internal Logic Analyzers?

How to Debug FPGA Using Internal Logic Analyzers?

1 Reasons Driving Change in FPGA Debugging Technology The reprogramming capability of FPGAs is a key advantage in the functional debugging of hardware designs. In the early days of using CPLDs and FPGAs, when a design was found to be malfunctioning, engineers would use the “debug hook” method. They would route the internal signals of … Read more

Quickly Build a 100MHz Logic Analyzer Using μLA

Quickly Build a 100MHz Logic Analyzer Using μLA

μLA (Micro Logic Analyzer) is a SUMP/OLS compatible logic analyzer firmware based on the RP2040 board. By using this firmware, you can quickly turn a Raspberry Pi Pico (or any RP2040 board) into a simple logic analyzer. Github Link: https://github.com/dotcypress/ula Features: 16 Channels 100 MHz Sampling Rate, 1 sample per second tick 200KB Sampling Storage … Read more

My Night with SPI: The Logic Analyzer’s Limitations

My Night with SPI: The Logic Analyzer's Limitations

Click here to download the materials (3rd update) Here are some resources for everyone, copy and reply with the following keyword to receive Practical Power Supply Circuit About Today’s Post SPI is a high-speed, full-duplex communication bus. SPI communication uses 3 buses and a chip select line: SCK, MOSI, MISO, and the chip select line … Read more

Low-Cost Long-Term Monitoring Solution for RS-485 Bus

Low-Cost Long-Term Monitoring Solution for RS-485 Bus

 RS-485 is a commonly used differential communication bus, capable of long-distance transmission with good interference resistance. However, how can we monitor the communication process for several hours or even days in the face of occasional faults during communication? 1. Testing Requirements Low-cost long-term monitoring of RS-485 bus communication. 2. Testing Challenges The RS-485 is … Read more

DIY Logic Analyzer Using RP2040 for Just 9.9 Yuan

DIY Logic Analyzer Using RP2040 for Just 9.9 Yuan

Logic Analyzer is an instrument that analyzes the logical timing of digital signals, capable of precisely capturing and displaying multiple digital signals, providing signal timing, protocol analysis, and other functions. It is also one of the most commonly used tools for embedded engineers in daily development. Now, we can use the Haozhe RP2040 development board … Read more

Debugging FPGA with Internal Logic Analyzers

Debugging FPGA with Internal Logic Analyzers

Click the blue text to follow us Follow and star our public account for exciting content delivered daily Source: Online Materials 1 Reasons for Changing FPGA Debugging Technology During the functional debugging of hardware design, the reprogrammability of FPGAs is a key advantage. In the early use of CPLDs and FPGAs, if a design was … Read more

Building a Logic Analyzer Using FPGA

Building a Logic Analyzer Using FPGA

Previously, we introduced how to create a logic analyzer and oscilloscope using RP2040. Today, we will build a logic analyzer using FPGA. Currently, the mainstream architecture of logic analyzers in China is based on FPGA + USB PHY. The combination of the advantages of FPGA and the high accessibility of USB has kept it in … Read more

Maximizing Logic Analyzer Storage Time

Maximizing Logic Analyzer Storage Time

Abstract Are you still calculating repeatedly to locate errors, struggling to choose triggers, and worrying about reducing sampling accuracy? When debugging signals, we always hope that the storage time of the logic analyzer can be as long as possible. So, how can we maximize the storage time of the logic analyzer? 1. Increase Memory Space … Read more

Open Source Logic Analyzer – DSLogic

Open Source Logic Analyzer - DSLogic

Whether you are developing microcontrollers or FPGAs, a protocol analysis tool – the logic analyzer, is often used. Unlike oscilloscopes, it can only collect digital signals, with sampling rates typically ranging from hundreds of MHz to GHz, supporting multiple channels for simultaneous sampling. The accompanying software supports parsing dozens of protocols such as I2C, UART, … Read more

High-Performance Logic Analyzer Using ACZ702 Development Board

High-Performance Logic Analyzer Using ACZ702 Development Board

Content Summary Previously, we released a high-performance logic analyzer with 8 channels and a 500M sampling rate based on the BX71 core board. Many users of the ACZ702 development board also hope we can provide firmware based on the ACZ702 development board. Today, we bring you this high-performance logic analyzer firmware and usage instructions based … Read more