[TriEmbed] new $4 Raspberry Pi

[Michael Monaghan]

Not so fast Pete:
Raspberry Pi Pico will be available in North America through Newark
<https://www.newark.com/buy-raspberry-pi> starting on January 25th. The
RP2040 should be “broadly available” to customers sometime in the second
quarter of 2021.

On Thu, Jan 21, 2021 at 12:28 PM Pete Soper via TriEmbed <
triembed at triembed.org> wrote:

> Thanks for the fill and resource!
>
> Sorry to see Newark isn't a supplier for the sake of their SC warehouse.
> Adafruit is out already, but others have stock.
>
> -Pete
> On 1/21/21 12:09 PM, Michael Monaghan via TriEmbed wrote:
>
> Pete,
>
> Perhaps this will help with the icache question...
> https://github.com/raspberrypi/pico-examples/blob/master/flash/cache_perfctr/flash_cache_perfctr.c
>
> Also, at the moment, the OS is not real time, so the second core is
> ignored unless we task it to do something.  That appears to be high on the
> list for enhancements.
>
> Mike
>
> On Thu, Jan 21, 2021 at 11:24 AM Pete Soper via TriEmbed <
> triembed at triembed.org> wrote:
>
>> What I haven't dug out yet is whether there is any icache and if they
>> really mean that ALL flash outboard. That would make for absolutely
>> wretched instruction fetching, and with two cores it seems ludicrous,
>> unless they're set up to execute out of RAM, in which case HOT DOG!
>>
>> -Pete
>>
>
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