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Embedded Trace Macrocell
15.1
About the ETM
15.1.1
ETM block diagram
15-2
The ETM is an optional debug component that enables reconstruction of program
execution. The ETM is designed to be a high-speed, low-power debug tool that only
supports instruction trace. This ensures that area is minimized, and that gate count is
reduced.
Figure 15-1 on page 15-3 shows a block diagram of the ETM, and shows how the ETM
interfaces to the Trace Port Interface Unit (TPIU) block.
Copyright © 2005, 2006 ARM Limited. All rights reserved.
ARM DDI 0337B
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