What Is The Best Way For New Engineers To Learn Boundary Scan?
Over the last several months I’ve been on the road visiting our Boundary Scan customers across the United States and Europe. These face-to-face meetings have been extremely informative since we have been unable to meet like that due to the COVID pandemic. It’s been great to reconnect with our customers and discuss the new and […]
Everything You Need to Know About ScanWorks Interconnect Part 4: The Test Access Port (TAP) State Machine
In my previous blog, I discussed about the mandatory and optional Boundary Scan Device instructions. Now, let’s dig a bit deeper into how the TAP works. The TAP provides 4 major operations within a boundary scan device. These operations are: • Test-Logic-Reset: At the Test-Logic-Reset controller state, the test logic is disabled to allow […]
The IEEE 1149.1-2013 Standard for Test Access Port and Boundary-Scan Architecture: An Overview
Those who might follow me via our blog site, or on social media, know that I’ve written on numerous technical topics over the years, ranging from silicon aging to signal integrity to firmware debug. All of these blogs originate from my experience with JTAG, the underlying technology behind low-level test, chip and printed circuit board […]
Everything You Need to Know About ScanWorks Interconnect Part 2: The Boundary Scan Architecture
What is the meaning of the word “interconnect”? As the word is applied in the field of electronics, interconnect, as defined at Techopedia.com, defines the word as follows. “An interconnect (generally speaking) is a physical or logical connection between two electronic devices or networks.” Printed circuit boards (PCB) consisting of hundreds, sometimes, thousands, of interconnected […]