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Re: [ts-7000] Re: New board from embeddedARM.

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Subject: Re: [ts-7000] Re: New board from embeddedARM.
From: Curtis Monroe <>
Date: Sun, 4 Dec 2005 10:57:38 -0500
Chapter 13 of the EP9301 describes the built-in Infrared serial port of the
EP9302, I wonder if you can use this for your LIRC project.

-Curtis.


On December 4, 2005 10:03 am, Yan Seiner wrote:
> --- In  "Jesse Off" <> wrote:
> 
>  > Also, since we scrapped the high static power Xilinx CPLD for a lower
>  > power Altera CPLD with a lot more space for custom logic, we've
>  > included a third serial port and an extra 10 pins of DIO.  The boards
>  > can be built with one of a few logic loads, one of them puts 2 more
>  > serial UARTS (total 5: 3 off-CPU, 2 on-CPU) and the other includes
>  > something we've dubbed the TS-XDIO port.  There are more in development.
>  >
>  > The TS-XDIO is like regular DIO port (data direction register and data
>  > register), but includes some other cute features that can be difficult
>  > or very inefficient to do in software.  The port can read quadrature
>  > (and IRQ on direction change for min/max quadrature counts), output
>  > PWM or finite length pulses, and also measure frequency or pulse times
>  > with 67nS accuracy.  You can also just internally loop the PWM
>  > generator to the pulse timer and have a free-running 14.7456Mhz
>  > counter for high resolution timestamping. (The on-CPU debug4 timer
>  > only runs at 983kHz) 
> 
>  WOW!  I want one!  Seriously, if I read this correctly, this should
>  make implementing things like LIRC fairly easy.  LIRC (Linux Infra Red
>  Receiver - http://www.lirc.org ) needs accurate timed pulses from an
>  IR receiver.  The existing board won't do both leading and trailing
>  edge IRQs so it's hard to implement.  Basically LIRC needs a timed
>  train of on-off data to interpret TV remotes...
> 
>  Is there a spec/manual available yet?
> 
> 
> 
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