Learning JTAG
8. November 2024 · about a minute read · Commentsembedded osdev tools
To understand how JTAG works I recommend a series of articles by Aliaksandr Kavalchuk. He describes details of the protocol and accompanies the text with amazing illustrations. Check it out:
- Part 1: Overview
- Part 2: Debugging
- Part 3: Boundary Scan
- Part 4: BSDL
- Part 5: Usage Scenarios
- Part 6: Security
Also, there are a few articles from other authors, describing JTAG in a more practical way: