Everything You Need to Know About ScanWorks Interconnect Part 8: BSDL Syntax and Semantics Errors and Scan Path Verify Failures
This blog post will take a deeper look at BSDL syntax and semantics errors and Scan Path Verify failures. But before we dive in, if you missed part 7 of this series – where we covered the process of describing a Scan Path and creating a Scan Path Verify action in ScanWorks – here’s a […]
Everything You Need to Know About ScanWorks Interconnect Part 5: Operations of the TAP and the BC_1 Cell
In the Part 4 blog, I described the process of loading the instruction register with an OPCODE. Once the instruction register is loaded with an OPCODE, an Update-IR takes place, which sends the OPCODE to the 2nd rank of the instruction register. The OPCODE is then decoded, and the instruction is executed. When the instruction […]
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 […]