The Tiva is a lot less expensive than the STM32F4. It might even be
possible to make a "1-bit DAC" using the PWM output and a capacitor.
It's a matter of how much RAM is needed and whether we can get all of
the tables in FLASH rather than RAM. Since our HF mode doesn't use VQ,
we can #ifdef out some code and large tables.
Thanks
Bruce
On 05/30/2013 05:34 AM, Brian Smith wrote:
> Brian Smith wrote:
>> Bruce Perens wrote:
>>
>>> It doesn't have floating point. And the ADCs are only 6 bit. 16K RAM is
>>> probably not enough.
>>>
>>>
>>>
>> How about the new Tiva boards from TI? They have FPU, 32K RAM, 256K
>> flash, 12-bit ADC (no DAC though), running at 80Mhz apparently.
>>
>> https://estore.ti.com/Tiva-C-LaunchPad.aspx
>> http://www.ti.com/product/tm4c123gh6pm
>>
>> The $13 demo boards have a pair of the SoC's on them (They are about
>> $4.50 each I think). Might be of interest.
>>
> Actually, forget that, I just read the spec sheet on the STM32F4
> Discovery board that David is working with... wow.
>
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