> On Feb 3, 2021, at 9:53 AM, Mattis Lind <mattisl...@gmail.com> wrote:
>
> Den ons 3 feb. 2021 kl 15:07 skrev Paul Koning via cctalk
> <cctalk@classiccmp.org>:
>
> ...
>> I haven't used RPi at all, since when I looked at it some years ago the SOC
>> technical information was secret. Contrast the BeagleBone, for which there
>> is a 5000 page manual.
>>
> The Pico is quite different. They use their own chip for the Pico, the
> RP2040. There is a 637 page manual
> https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf
Nice to know. Thanks!
> Unlike the other Rpi this is more like the STM32 chips where you develop
> C/C++ or Python to run directly on the bare metal. No Linux involved.
That makes it like Arduino. Time for some more studying...
> The early Rpi used Broadcom chips. And like most Broadcom stuff you almost
> needed signing a NDA to get a glance of the pinout of the chip.
Exactly. Broadcom had all sorts of strange notions. The BBB uses a TI chip,
which was always fully documented.
paul
