JTAG debug mechanism

Dan Malek dan at embeddededge.com
Fri Aug 13 16:26:42 EST 2004

On Aug 13, 2004, at 1:44 AM, Li Yang-r58472 wrote:

> .... But my question is how it can read/write the core registers and
> system memory as implemented by most JTAG emulators.

By using the Freescale COP implementation over the JTAG pins.
All debuggers do this.  Most of us don't care about such details,
we just buy the tools, plug them in and use them.

	-- Dan

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