How to get diagnosis data & analysis?

EZ-BIST tool usage, BFL flow, BII flow, memory grouping
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iSTART
Posts: 327
Joined: 08 Dec 2020, 15:53

How to get diagnosis data & analysis?

Post by iSTART »

[Question] How to get diagnosis data and analysis?

[Answer] If designer enable diagnosis function. EZ-BIST diagnosis data will generate and output from TDO port to ATE equipment. Testing engineer can collect TDO data after capture_DIAG_DR and then analysis the output data.


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iSTART also provide a PC tool for customer analyzing the diagnosis content. To use PC’s diagnosis tool, in BFL stage, user should assign “diagnosis_width_info” to yes. During ATE testing, testing engineer collect the TDO output and save as *.diagdata file. Using diagnosis tool to analysis *.diagdata, it will have diagnosis report as following figure.

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