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Discussion Groups
Discussion Groups | TMS320C6x | Re: How to transfer data using Parallel Port of DSK 6711?
Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).
Re: How to transfer data using Parallel Port of DSK 6711? - ahma...@yahoo.com - Dec 7 2:19:00 2005
Hi,
I want to connect my rs232 mouse (converted to TTL voltages) to DSK6711, how can I do that?
Is there any I/O in dsk6711 (in DB pins)?
what is the purpose of DB-CNTL and DB-STAT in DB slot of dsk6711 and what are their addresses?
please help me.
thanks
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Re: Re: How to transfer data using Parallel Port of DSK 6711? - Mike Dunn - Dec 8 20:21:00 2005
To RS232 mouse owner,
Please see my comments below.
mikedunn
--- ahmadagha23@ahma... wrote:
> Hi,
> I want to connect my rs232 mouse (converted to TTL
> voltages) to DSK6711, how can I do that?
You need to know that data format, speed and protocol
for the mouse. You also may need to provide a voltage
source to the mouse. If your voltages are truly TTL
[0-5v], you may also want to check the voltage
tolerances on the DSK pins that you select.
> Is there any I/O in dsk6711 (in DB pins)?
Yes. You may want to use the serial port [McBSP] to
capture the data. TI has at least one app note on the
subject.
> what is the purpose of DB-CNTL and DB-STAT in DB
> slot of dsk6711 and what are their addresses?
DB_CNTL0/1 and DB_STAT0/1 are general purpose I/O
pins. The original designers of the daughtercard bus
made provisions for the use [initially, and still,
undefined] of 2 control and 2 status lines. If you
want to 'bit-bang' your mouse, these will work.
>
> please help me.
> thanks >
> c6x-unsubscribe@c6x-...
(You need to be a member of c6x -- send a blank email to c6x-subscribe@yahoogroups.com )
Please see my comments below.
mikedunn
--- ahmadagha23@ahma... wrote:
> Hi,
> I want to connect my rs232 mouse (converted to TTL
> voltages) to DSK6711, how can I do that?
You need to know that data format, speed and protocol
for the mouse. You also may need to provide a voltage
source to the mouse. If your voltages are truly TTL
[0-5v], you may also want to check the voltage
tolerances on the DSK pins that you select.
> Is there any I/O in dsk6711 (in DB pins)?
Yes. You may want to use the serial port [McBSP] to
capture the data. TI has at least one app note on the
subject.
> what is the purpose of DB-CNTL and DB-STAT in DB
> slot of dsk6711 and what are their addresses?
DB_CNTL0/1 and DB_STAT0/1 are general purpose I/O
pins. The original designers of the daughtercard bus
made provisions for the use [initially, and still,
undefined] of 2 control and 2 status lines. If you
want to 'bit-bang' your mouse, these will work.
>
> please help me.
> thanks >
> c6x-unsubscribe@c6x-...
(You need to be a member of c6x -- send a blank email to c6x-subscribe@yahoogroups.com )