Lpc2000

--- In lpc2000@yahoogroups.com, "Pandurang Shinde" <pandurang@...> 
wrote:
>
> Hi,
>           I am using LPC2136.I am facing some RTC related problems 
in few boards. I am writing some value in RTC on power on but it is 
not incrementing. 
>          This type of problem is not in all board but few of 
them.Some board work without any problem.
>           I also observed that when i use jlink for debug ,value of 
RTC register(SEC,MIN etc) are incrementing ,but these increment are 
slow. When i come out of debug & send data on serial port ,i have 
getting 0 data continously.
>          I have also check VBAT voltage which found ok.
>          Please help me ,if any one can.
>      
> Regards,
> Pandurang S.
> 
> 
> [Non-text portions of this message have been removed]
>

Do you use an external crystal? Have you checked the oscilator pins 
for a 32 KHz wave?

Guille