Let us understand the meaning and importance of IJTAG through the following scenario: Consider a simple SoC that has 2 hierarchical components; Blocks- B1 & B2 as illustrated in Fig. 1. B1 has a WTAP ...

In the previous part – Part 1 of this article, we have discussed the shortcomings of JTAG 1149.1/1500 standards to overcome the increasing test challenges accounted for, in the new era of humongous ...