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Lpc2000

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Re: [lpc2100] Re: ETM and IO pins in debug mode

2004-02-09 by Alaric B Snell

Jim Beagley wrote:

> Helge,
>   To use those pins durring debug, you must use the secondary JTAG
> port, to do this you must have connections for BOTH primary, and
> secondary JTAG ports. Your code must enable the PIN Sel functions for
> the secondary JTAG port, and then it may be used, and you only lose
> the upper pins.
> 
>   Scan the previous posts, as we have discussed the solution before.
> 

I've not yet read that section of the LPC manual in detail (I aim to use 
the UART for ISP rather than JTAG), so would anyone fancy writing a 
short paragraph about the primary/secondary JTAG and what pins they use 
up that I can put on the Wiki?

If you don't fancy writing your own Wiki markup, just email me some text 
and I'll put it in for you.

I think this is going to be a frequently asked question, you see...

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