LM3S2965-IQN25-A0T ETC2 [List of Unclassifed Manufacturers], LM3S2965-IQN25-A0T Datasheet - Page 39
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LM3S2965-IQN25-A0T
Manufacturer Part Number
LM3S2965-IQN25-A0T
Description
Microcontroller
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
1.LM3S2965-IQN25-A0T.pdf
(542 pages)
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2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
June 04, 2007
Embedded Trace Macrocell (ETM)
ETM was not implemented in the Stellaris
Cortex™-M3 Technical Reference Manual can be ignored.
Trace Port Interface Unit (TPIU)
The TPIU acts as a bridge between the Cortex-M3 trace data from the ITM, and an off-chip Trace
Port Analyzer. The Stellaris
This is similar to the non-ETM version described in the ARM® Cortex™-M3 Technical Reference
Manual, however, SWJ-DP only provides SWV output for the TPIU.
Figure 2-2. TPIU Block Diagram
ROM Table
The default ROM table was implemented as described in the ARM® Cortex™-M3 Technical
Reference Manual.
Memory Protection Unit (MPU)
The Memory Protection Unit (MPU) is included on the LM3S2965 controller and supports the standard
ARMv7 Protected Memory System Architecture (PMSA) model. The MPU provides full support for
protection regions, overlapping protection regions, access permissions, and exporting memory
attributes to the system.
Nested Vectored Interrupt Controller (NVIC)
The Nested Vectored Interrupt Controller (NVIC):
■
Facilitates low-latency exception and interrupt handling
Debug
Slave
Slave
ATB
APB
Port
Port
Interface
Interface
ATB
APB
®
devices have implemented TPIU as shown in Figure 2-2 on page 39.
Preliminary
Asynchronous FIFO
®
devices. This means Chapters 15 and 16 of the ARM®
(serializer)
Trace Out
LM3S2965 Microcontroller
Serial Wire
Trace Port
(SWO)
39
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