Paul Koning paulkoning at
Wed Feb 3 08:58:11 CST 2021

> On Feb 3, 2021, at 9:53 AM, Mattis Lind <mattislind at> wrote:
> Den ons 3 feb. 2021 kl 15:07 skrev Paul Koning via cctalk <cctalk at>:
> ...
>> 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

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.


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