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Re: how we can interface rs232 port with the dsp board

Started by faha...@gmail.com November 9, 2007
isn't it possible to connect to serial interface only through DR and DX of mcbsp in SPI mode and not connecting clock and frame synchronization to other device.

regards
eff

Dear Wajahat,
>
> you can either connect a dedicated UART device like the 16C550/650 to
>the 6713 EMIF, use one of the 6713 McBSPs for a software UART emulation, or
>use Maxim's MAX3110/3111 SPI-UART device, which readily includes the line
>driver. It can be connected to the DSP via the McBSP configured to SPI mode.
>
>The first option (hardware UART) is straightforward if you have a free CE
>space on the 6713, which can be programmed to match the UART timing. This
>will give the best performance and flexibility. If all CE spaces are
>already occupied consider the MAXIM device or the SW UART. Document
>spra633b.pdf from Texas Instruments describes the McBSP SW-UART.
>
> Regards,
> A.Klemenz, D.SignT
>At 03:09 19.12.2006 -0500, w...@hotmail.com wrote:
>
>> Hi everyone ,I am new to dsp board programming.I want to know how we can
>> interface rs232 port with the dsp board.I am using c6713.
>> Any response in this regard wpould be helpful
>> Thanks
>> wajahat
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