Re: Question about sh-sci on SH7723

Nobuhiro Iwamatsu
2009-04-15T02:52:39Z

morimoto.kuninori@renesas.com wrote:
> Dear Iwamatsu
>
>> We set function to use in PFC and it is from IO-port
>> and controls them.
>>
>> For example, we want to get RXD of SCIF0, setup PSELC and PTCR,
>> and get value from PTDR.
>
> Hmm....
> Now I tried to watch PxDR behavior by JTAG.
> Then, I can read data from PxDR if PxCR is "I/O".
> But, I can not read data when PxCR is "Function".
> It is always 0x00.
> I think at least clock bit will change.
>
> Do you know why ?
>

In current code, when sci_handle_errors was called ,
sci_rxd_in seemed to come to be called it.
Did you check this?

Thanks,
Nobuhiro