X-Tracer: A Reconfigurable X-Tolerant Trace Compressor for Silicon Debug
The effectiveness of at-speed silicon debug is constrained by the limited trace buffer size and/or trace port bandwidth, requiring highly-efficient trace data compression solutions. As it is usually inevitable to have unknown ‘X’ values during silicon debug, trace compressor should be equipped with X-tolerance feature in order not to significantly degrade error detection capability. To tackle this problem, this paper presents a novel reconfigurable X-tolerant trace compressor, namely X-Tracer, which is able to tolerate as many X-bits as possible in the trace streams while guaranteeing high compression ratio, at the cost of little extra design-for-debug hardware.
Subscribe to the Innovation Insider Newsletter
Catch up on the latest tech innovations that are changing the world, including IoT, 5G, the latest about phones, security, smart cities, AI, robotics, and more. Delivered Tuesdays and Fridays