Lpc2000

--- In lpc2000@yahoogroups.com, 42Bastian Schick <bastian42@...> wrote:
>
> soren_t_hansen <soren_t_hansen@...> schrieb am Mon, 01 Aug 2005 
> 14:04:44 -0000:
> 
> > I'm trying to write to the PINSEL2 register, to ensure that it has 0's
> > at bit 2 and 3, but if I try to write to the register, the JTAG
> > connection drops, and it seems as if the MCU enter some other mode,
> > since I can't restore the connection whitout having to do a power
cycle.
> > Has anyone experienced this?
> > And how can I write to the PINSEL2 register, whitout having this
problem?
> 
> Some bits disable JTAG, be sure to set these to the correctly.
> 
> -- 
> 42Bastian Schick
>

Hi. Ihave the same problem.

> Some bits disable JTAG, be sure to set these to the correctly.
OK, but how to this if i can't load new program - JTAG doesn't want to
work. I can't use ISP because my hardware does not allow to do it.
And one more thing: user manual says that one can't write 1s at
specified position to PINSEL2 but i write 0 to it and JTAG crashes.

please help
Adam