this post was submitted on 19 Jul 2024
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Single Board Computers
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Furthermore, I’ve a few theories about why the RPI guys might be releasing their chip the way they are.
With this chip they make it so software/library compatibility is no longer a barrier to other CPU makers to enter the market - even Rockchip and Mediatek SBCs can include the RP2040 and gain instant software compatibility with any software library made for the Pi GPIO. Note that right now when RK releases an SBC it take a while for libraries to catch up with the GPIO definitions and whatnot.
However… with the chip the Pi guys also can enter the FTDI market of GPIO/SPI/i2C bridges and that’s a very big market. Almost every peripheral we connect to our computers is using one of those bridges to connect low level hardware such as microcontrollers to the computer or to simply toggle LEDs. Broadcom is now an investor of the Pi Foundation and they do a lot of hardware that does require those kinds of bridges… maybe they were the ones pushing the Pi guys into this direction because business wise it makes sense - they can test the reliability of those chips on the SBC market and once they’re sure they perform as good as FTDI ones they can use them everywhere for a fraction of the cost.