Lpc2000

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i4;\u0442\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043e: 24 а\u043f\u0440\u0435\u043b\u044f 2004 \u0433. 21:12

\u0422\u0435\u043c\u0430: RE: [lpc2000] Re: ETM on the LPC2114

Excellent,

Thanks for the answer.

/Pontus

-----Original Message-----
From: lpc2100_fan [mailto:lpc2100_fan@...]
Sent: den 24 april 2004 15:19
To: lpc2000@yahoogroups.com
Subject: [lpc2000] Re: ETM on the LPC2114

Pontus,

on the LPC2114 and all 64-pin LPC2000 devices that I know, you can
pick either JTAG or ETM+JTAG so you got it right. On the LPC210x
(48-pin devices) this is a little more tricky. Enabling debug does
enable JTAG + ETM, that's why there were many questions about the
secondary JTAG on the LPC210x. There is no such thing as a secondary
JTAG (documented?) on the LPC2114.

Cheers, Bob

--- In lpc2000@yahoogroups.com, pontus.oldberg@i... wrote:
> I just read through the users manual for the LPC2114 and from what i
> can deduce the ETM output can be individually disabled simply by not
> tying a pull up resisitor to P1.20/TRACESYNC. I.e. you should be able
> to use the ETM port pins as normal IO pins while debugging through
> the JTAG interface. Did i understand this correctly or have i jumped
> to conclusions ?
>
> /Pontus