Hi,
I am looking for JTAG sequences for Cortex(-M3). There is an Application Note AN205 'Writing JTAG Sequences for ARM9 Processors'. Are the sequences the same?
Thanks.
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jtag sequences for cortex
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Joseph Yiu 
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Posted 12 January 2011 - 01:49 PM
It is completely different.
Cortex-M processors are based on CoreSight Debug and Trace Technology
An overview of the technology can be found here: (CoreSight Technology System Design Guide)
http://infocenter.ar...012d/index.html
You will need ARM Debug Interface v5 for details of connecting to the Debug Access Port (DAP).
http://infocenter.ar...031a/index.html
After connecting to the debug access port, you can then access debug features in form of
programmable registers in the Cortex-M3 memory space. You will need the ARMv7-M
Architecture Reference Manual (http://infocenter.ar...403c/index.html)
to know the details of the debug architecture.
regards,
Joseph
Cortex-M processors are based on CoreSight Debug and Trace Technology
An overview of the technology can be found here: (CoreSight Technology System Design Guide)
http://infocenter.ar...012d/index.html
You will need ARM Debug Interface v5 for details of connecting to the Debug Access Port (DAP).
http://infocenter.ar...031a/index.html
After connecting to the debug access port, you can then access debug features in form of
programmable registers in the Cortex-M3 memory space. You will need the ARMv7-M
Architecture Reference Manual (http://infocenter.ar...403c/index.html)
to know the details of the debug architecture.
regards,
Joseph
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