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Freescale CodeWarrior Development Tools CodeWarrior Run Control Devices CodeWarrior Gigabit TAP COP_JTAG_ADA
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The Nexus and Power.org standards allow for a 22 pin
connector to be installed on embedded systems boards which
have all the necessary trace and JTAG debug signals. Many
people might not be aware that you can utilize the JTAG signals
without utilizing any of the trace to perform standard stop mode
debugging which most JTAG debugging systems utilize.
This adapter plugs directly into the 22 pin connector ( Samtec
ASP-137969-01 ) and then breaks out the JTAG signals into the
standard Freescale 16 pin JTAG COP debugger connection
utilized by QorIQ, PQII, PQIII, and PQII Pro product lines.
Practically though, you would only have the 22 pin connector on
boards utilizing Freescale processors that have Nexus trace
capability – such as the Freescale QorIQ product lines.
Typically, trace is used at a later advanced stage of a project
where the problems are very difficult. By installing the 22 pin
connector on the board you can make your board “trace-ready”
and then utilizing this adapter you can use a lower cost JTAG
probe, such as the USB TAP for JTAG debugging from
Freescale, for most of the project, perhaps even avoiding
purchasing a trace probe altogether – saving several thousand
dollars.
Related Software and Tools
CW_GIGABITTAP_PA: Gigabit TAP Probe TIP for JTAG Power
Architecture
CW_GIGABITTAP_TRACE: Gigabit TAP with Trace
Supported Devices
P3041: QorIQ P3041 Quad-Core Communications Processors
with Data Path
QorIQ Communications Processors High-Performance Tier
COP_JTAG_ADA: Aurora 22 COP/JTAG Adapter
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