Friday, January 29, 2021

A closer look at Raspberry Pi RP2040 Programmable IOs (PIO) #piday #raspberrypi @Raspberry_Pi

Pico PIO State Machine 768x686

Nice in depth look from CNX Software:

All the boards usually come with hardware support for digital communications protocols such as I2C, SPI, and UART. However, if you plan to use more of these interfaces than what is available on the board, you can use the programmable IOs provided in RP2040 microcontroller.

Well, this has more capabilities than one can think of. Let’s say you want to output a DPI video or “communicate with a serial device found on AliExpress” is now possible with Programmable I/O. As the name says, ‘Programmable’ IO makes it clear that it can be programmed directly to support several interfaces including SD card interface, VGA output, and higher speed data transfer. Hang on! We have the most exciting part of the article coming up – ‘How to program these programmable I/Os to make your job easy’.

Learn more!


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