Functional Description
ARM DDI 0363G Copyright © 2006-2011 ARM Limited. All rights reserved. 2-10
ID073015 Non-Confidential
The APB debug interface can also connect to a DAP-Lite. For more information on the
DAP-Lite, see the CoreSight DAP-Lite Technical Reference Manual.
2.2.8 ETM interface
You can connect an ETM-R4 to the processor through the ETM interface. The ETM-R4
provides instruction and data trace for the processor. The CoreSight ETM-R4 Technical
Reference Manual describes how the ETM-R4 connects to the processor.
The ETM interface includes these signals:
• an instruction interface
• a data interface
• an event interface
• other connections to the ETM.
ETM interface signals on page A-19 describes the associated signals. Event bus interface on
page 6-19 describes the event bus.
2.2.9 Test interface
The test interface provides support for test during manufacture of the processor using Memory
Built-In Self Test (MBIST). MBIST signals on page A-21 describes the test interface signals.
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