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Jtag for Data I/O

Started by miracle_sksim ●January 18, 2008
Hi,

Anyone has an example on using of jtag for data communication ?

Thanks
Reply by Mike Rosing ●January 18, 20082008-01-18
On Fri, 18 Jan 2008, miracle_sksim wrote:

> Hi,
>
> Anyone has an example on using of jtag for data communication ?

It is really useful for debug comms. The processor has no access to the
jtag pins so it is only good for input.