Lpc2000

Hello,

this seems to be a minor bug in the LPC chips. Just write to the register, and 
ignore the value you read back.

Regards,

Dominic

On Thursday 01 December 2005 20:24, Gus wrote:
> Hello,
>
> I am writing my own code to do JATG on LPC chips. In Shift-IR state, I
> am able to select any one of the JTAG commands and I get back 0001 as
> the ARM manual says. IDCODE and BYPASS work just fine when I
> read/write data in Shift-DR state.
>
> Now, When I want to select a chain using SCAN_N command, I get 0001 in
> Shift-IR state as the manual says but in the Shift-DR state I do not
> get back 1000!
>
> Is there anything I should do before SCAN_N?
> Is anyone able to write SCAN_N Shift-DR and got back 1000?
>
> Thanks,
>
> Gus