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An Efficient SoC Test Technique by Reusing On/Off-Chip Bus Bridge Adviser: Chao-Lieh Chen Student: Shih-Hao Lin 0052802 Yi-Ming Huang 0052811 Keng-Chih.

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Presentation on theme: "An Efficient SoC Test Technique by Reusing On/Off-Chip Bus Bridge Adviser: Chao-Lieh Chen Student: Shih-Hao Lin 0052802 Yi-Ming Huang 0052811 Keng-Chih."— Presentation transcript:

1 An Efficient SoC Test Technique by Reusing On/Off-Chip Bus Bridge Adviser: Chao-Lieh Chen Student: Shih-Hao Lin Yi-Ming Huang Keng-Chih Liu

2 Outline Introduction Proposed TAM for AMBA-based SOC Proposed Test-Access Architecture On/Off-Chip Bus Bridge With Test Controllability Operation of the TR-Bridge Project Schedule Division of work

3 Introduction

4 Proposed TAM for AMBA-based SOC The main contribution of our technique is to reuse the on/off chip bus bridge as a test interface during the test mode. The AHB master component on the bridge is reused as an interface between the ATE and the chip under test, and then, the ATE acts as a virtual bus master. By utilizing the functional buses as dedicated test paths and eliminating the bus-direction turnaround delays. In this paper, the bridge with the test controllability is referred to as a test-ready bridge.

5 Proposed Test-Access Architecture

6 On/Off-Chip Bus Bridge With Test Controllability

7

8 Operation of the TR-Bridge

9 Project Midterm project AHB bus Final project Hybrid Test Interface Controller

10 Schedule DateProgressDateProgress 10/25Propose paper12/06Implement final project 11/01Implement midterm project12/13Implement final project 11/08Simulation12/20Simulation 11/15Implement final project12/27Test final project 11/22Implement final project01/03Test final project 11/29Implement final project01/10Demo result

11 Division of work Shih-Hao Lin HTIC Yi-Ming Huang AHB Master Keng-Chih Liu

12 Q: TIC and HTIC difference Functional test V.S. Structural test Test Stimuli

13 TIC and HTIC difference(1/2) AMBA Specification (Rev 2.0)

14 TIC and HTIC difference(2/2)

15 Functional test V.S. Structural test

16 Test Stimuli

17


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