Table of content

• Logic Analyzers in Practice
• All rights reserved
• Contents
• Preface
• 1 • What You Need to Know About Logic Analyzers
• 1.1 What is a Logic Analyzer?
• 1.2 Why do I need a logic analyzer?
• 1.3 What’s so special about a logic analyzer?
• 1.4 What a logic analyzer is not
• 1.5 How do I connect a logic analyzer?
• 1.6 What should I pay for a logic analyzer?
• 2 • Choosing the Right Logic Analyzer
• 2.1 Important criteria and specification
• 2.2 Bandwidth and sampling rate
• 2.3 Logic levels and Threshold Voltage
• 2.4 Positive and negative logic
• 2.5 Analogue and digital inputs
• 2.6 Synchronous and asynchronous sampling
• 2.7 Buffer and Stream modes
• 2.8 The USB port
• 2.9 Simple and complex triggering
• 2.10 Checklist for choosing a logic analyzer
• 3 • Protocols and Hardware
• 3.1 Experimental circuits
• 3.2 The software user interface concept
• 3.3 The I²C bus
• 3.4 The SPI bus
• 3.5 UART / RS-232
• 3.6 NeoPixel and the WS281x
• 3.7 The HD44780 LCD display controller
• 3.8 The 1-Wire protocol
• 3.9 Final thoughts on the protocol
• 4 • Pitfalls
• 4.1 Errors and issues when measuring
• 4.2 The test probes
• 4.3 The ideal test setup
• 4.4 Ground loops
• 4.5 Earthing considerations at high frequency
• 4.6 Probe loading
• 4.7 Where to tap into the signal
• 4.8 Input voltage range
• 4.9 Using a logic analyzer as a scope
• Post script
• Appendix: Setting Up Your Work Environment
• A1.1 Raspberry Pi Pico and Thonny with MicroPython
• A1.2 Raspberry Pi Pico and Thonny with CircuitPython
• A1.3 Arduino UNO and the Arduino IDE
• A1.4 The Raspberry Pi and Python
• Literature References
• Index