4.5.11. Ignore packet

The ignore packet has no effect. A PTM might insert an ignore packet in unused bytes of the trace port if it must output trace and there is insufficient trace to fill the entire port. The ignore packet is always one byte, and consists of the ignore header. See Figure 4.45.

Figure 4.45. Ignore packet

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An implementation that uses an AMBA Trace Bus (ATB) to output trace data might not generate any ignore packets.

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