LPC2361_62 NXP Semiconductors, LPC2361_62 Datasheet - Page 33
LPC2361_62
Manufacturer Part Number
LPC2361_62
Description
The LPC2361/2362 microcontrollers are based on a 16-bit/32-bit ARM7TDMI-S CPU with real-time emulation that combines the microcontroller with up to 128 kB of embedded high-speed flash memory
Manufacturer
NXP Semiconductors
Datasheet
1.LPC2361_62.pdf
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NXP Semiconductors
LPC2361_62
Product data sheet
7.25.3 RealMonitor
outputs information about processor execution to a trace port. A software debugger allows
configuration of the ETM using a JTAG interface and displays the trace information that
has been captured.
The ETM is connected directly to the ARM core and not to the main AMBA system bus. It
compresses the trace information and exports it through a narrow trace port. An external
Trace Port Analyzer captures the trace information under software debugger control. The
trace port can broadcast the Instruction trace information. Instruction trace (or PC trace)
shows the flow of execution of the processor and provides a list of all the instructions that
were executed. Instruction trace is significantly compressed by only broadcasting branch
addresses as well as a set of status signals that indicate the pipeline status on a cycle by
cycle basis. Trace information generation can be controlled by selecting the trigger
resource. Trigger resources include address comparators, counters and sequencers.
Since trace information is compressed the software debugger requires a static image of
the code being executed. Self-modifying code can not be traced because of this
restriction.
RealMonitor is a configurable software module, developed by ARM Inc., which enables
real-time debug. It is a lightweight debug monitor that runs in the background while users
debug their foreground application. It communicates with the host using the DCC, which is
present in the EmbeddedICE logic. The LPC2361/2362 contain a specific configuration of
RealMonitor software programmed into the on-chip ROM memory.
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 25 October 2011
Single-chip 16-bit/32-bit MCU
LPC2361/62
© NXP B.V. 2011. All rights reserved.
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