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Discussion Groups | LPC2000 | Using the same pin of LPC2294 for two peripherals
Discussion group dedicated to the Philips LPC2000 family of ARM MCUs
Using the same pin of LPC2294 for two peripherals - arm_techie arm_user - Apr 28 4:58:06 2007
Hi all,
I am using LPC2294 for one of my application. Is it possible for me
to use the same pin for more than one function. In other words, Can I use
the UART pins for PWM?
Awaiting responses,
OST
[Non-text portions of this message have been removed]
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I am using LPC2294 for one of my application. Is it possible for me
to use the same pin for more than one function. In other words, Can I use
the UART pins for PWM?
Awaiting responses,
OST
[Non-text portions of this message have been removed]
(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )
Re: Using the same pin of LPC2294 for two peripherals - Tom Walsh - Apr 28 12:13:06 2007
arm_techie arm_user wrote:
>
> Hi all,
> I am using LPC2294 for one of my application. Is it possible for me
> to use the same pin for more than one function. In other words, Can I use
> the UART pins for PWM?
> Awaiting responses,
> OST
>
Uh, yeah... You could, but not simultaneously.
TomW
--
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net http://cyberiansoftware.com http://openzipit.org
"Windows? No thanks, I have work to do..."
----------------------------------------------------
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>
> Hi all,
> I am using LPC2294 for one of my application. Is it possible for me
> to use the same pin for more than one function. In other words, Can I use
> the UART pins for PWM?
> Awaiting responses,
> OST
>
Uh, yeah... You could, but not simultaneously.
TomW
--
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net http://cyberiansoftware.com http://openzipit.org
"Windows? No thanks, I have work to do..."
----------------------------------------------------
(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )
Re: Using the same pin of LPC2294 for two peripherals - Richard Duits - Apr 29 6:54:09 2007
As far as I know it is not even possible to use an input for multiple
functions at the same time.
A good example is that you cannot read the state of a timer capture pin
because the timer does not support this and the GPIO does not receive
the input signal if it is mapped to the timer capture function. Don't
know if NXP has solved this or will solve this in newer versions of the
LPC silicon.
Regards,
Richard.
arm_techie arm_user schreef:
> Hi all,
> I am using LPC2294 for one of my application. Is it possible for me
> to use the same pin for more than one function. In other words, Can I use
> the UART pins for PWM?
> Awaiting responses,
> OST
>
>
______________________________
Stellaris® MCU Family: New Parts, New Package, New Price.
(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )
functions at the same time.
A good example is that you cannot read the state of a timer capture pin
because the timer does not support this and the GPIO does not receive
the input signal if it is mapped to the timer capture function. Don't
know if NXP has solved this or will solve this in newer versions of the
LPC silicon.
Regards,
Richard.
arm_techie arm_user schreef:
> Hi all,
> I am using LPC2294 for one of my application. Is it possible for me
> to use the same pin for more than one function. In other words, Can I use
> the UART pins for PWM?
> Awaiting responses,
> OST
>
>
______________________________
Stellaris® MCU Family: New Parts, New Package, New Price.
(You need to be a member of lpc2000 -- send a blank email to lpc2000-subscribe@yahoogroups.com )