Re: [avr-gcc-list] New ATmega parts

[Russell Shaw]

Uwe Bonnes wrote:
> > > > > > "Julius" == Julius Luukko <address@hidden> writes:
>
>
>     Julius> On Thursday 02 October 2003 18:54, E. Weddington wrote:
>     >> AVR Freaks has news about new ATmega parts:
>     >> <http://www.avrfreaks.net/Devices/devices.php?action=1&devid=76>
>
>     Julius> And the megaAVR product brochure
>     Julius> (http://www.atmel.com/dyn/resources/prod_documents/doc4003.pdf)
>     Julius> mentiones that mega256 will be available Q1-04. 256 kB of flash
>     Julius> and 8 kB of internal SRAM.
>
> Julius,
>
> did you find any announcement of an MEGA running with 16 MHz at 3.3V?
>
> Modern FPGAs are no longer 5 Volt tolerant, so 3.3 Volt is needed as
> supply. Trading FPGA speed agains CPU speed is a drawback. And Busswitches
> to translate between 3.3 and 5 Volts) are hard to get by. And Level
> Translator imply a waitstate, as they eat a lot of the 16.6 ns Access time
> needed for 0-weaitstate access.

xilinx spartan-2 and altera acex inputs are 5V tolerant.