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[DPRG] Atmel AVR Programming Problems

Subject: [DPRG] Atmel AVR Programming Problems
From: Kipton Moravec kip at kdream.com
Date: Sat Oct 4 22:58:01 CDT 2003

ATtiny2313 is it I think. They are talking in the 40 - 50 cent range in 50K 
lots.  Which was cheaper than the others.

Anyway that is why we chose it.


At 10:35 PM 10/4/03, you wrote:
>He was talking about the ATtiny2313, which will replace both the AT90S1200
>and AT90S2313 parts.  It will also have something called the "1 wire debug"
>capability, where the RESET pin is used to peek into the inner workings of
>the chip - sort of like a scaled-down JTAG interface, I'm told.
> >From what you've said, almost any of the current parts would work.  Pricing
>on the ATtiny26 is $1.70 in 100 piece lots.  It also has a calibrated 8MHz
>internal oscillator and interrupts on almost any pin change, so very few
>external parts are required.  The only thing I don't like about it is that
>it lacks a true UART.  There is a USI (universal serial interface, or
>useless serial interface, if you ask me) that has the bits and pieces of a
>UART but you have to string it all together in code.  It can also be SPI or
>I2C, allegedly, although it lacks slew rate limiting on the outputs and a
>50ns glitch filter on the inputs, so it can't be 100% I2C compliant.
>Dale Wheat
>(972) 486-1317
>(800) 330-1915, access code 00
>----- Original Message -----
>From: "Kipton Moravec" <kip at kdream.com>
>To: "Dale Wheat" <dale at dalewheat.com>
>Sent: Saturday, October 04, 2003 9:32 PM
>Subject: Re: [DPRG] Atmel AVR Programming Problems
> > At 06:36 PM 10/4/03, you wrote:
> >
> > >Just out of curiosity, what are you doing and why did you pick the
> > >AT90S1200?  New development would be better served with a more current
> > >such as the ATtiny26 or ATmega8.
> >
> > The ATMEL Engineer recommended I use it for this project!  I needed more
> > pins than what an 8 pin part could supply, and I wanted in circuit
> > programmable, and I needed a comparator.
> >
> > He said that in February a new part will be in production that is a die
> > shrink and the new part will be cheaper and pin compatible.  The new part
> > will be cheaper than the ATtiny26 or ATmega8.
> >
> > Kip
> >
> >
> >
> >

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