10.3.2.1. Test Access Ports (TAP)

Try these first

1. 1.

   What does TAP stand for?

   Hint

   Think about what part of the testing process TAP represents.

2. 2.

   What is the purpose of the JTAG interface?

   Hint

   What does JTAG provide access to?

3. 3.

   What does TAP stand for?

   • Transistor Access Point
   • Test Access Port
   • Testing Access Protocol

   Hint

   What is the role of TAP in testing?

4. 4.

   True or False: TAPs are only useful in simple circuits.

   • True
   • False

   Hint

   Consider the complexity of modern electronic devices.

5. 5.

   Design a scenario where the use of TAP greatly improves testing time. Describe the situation and expected outcomes.

   Hint

   Consider the differences between conventional methods and TAP integration.

6. 6.

   Explain how the emergence of hierarchical TAM could affect future integrated circuit designs.

   Hint

   Think about the implications for both time and cost during the product lifecycle.