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raspberrypipico:pico_pio [2021/06/07 18:05]
admin [Knowledge] 		raspberrypipico:pico_pio [2021/12/04 09:40] (current)
admin [Knowledge]
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 The RP2040 contains two **programmable IO blocks** with four **state machines** each, to control  GPIOs and to transfer data.\\ The RP2040 contains two **programmable IO blocks** with four **state machines** each, to control  GPIOs and to transfer data.\\
 {{:raspberrypipico:rp2040_diagram_for_a_single_pio_block.jpg?400|}}\\ {{:raspberrypipico:rp2040_diagram_for_a_single_pio_block.jpg?400|}}\\
 +
 +//diagram taken from the [[https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf|RP2040 Datasheet]]//\\
 +
 Each PIO block has one **instruction memory** with 32 instructions. Four read ports allows all state machine simultaneously access.\\ Each PIO block has one **instruction memory** with 32 instructions. Four read ports allows all state machine simultaneously access.\\
 Each state machine has:\\ Each state machine has:\\
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-//diagrams taken from the [[https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf|RP2040 Datasheet]]//\\+//diagram taken from the [[https://datasheets.raspberrypi.org/rp2040/rp2040-datasheet.pdf|RP2040 Datasheet]]//\\
  
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 Stepper motor example on [[https://www.youtube.com/watch?v=UJ4JjeCLuaI| Youtube by Tinker Tech Trove]] and the code on [[https://github.com/tinkertechtrove/pico-pi-playing/tree/main/pio-steppers|Github]]\\ Stepper motor example on [[https://www.youtube.com/watch?v=UJ4JjeCLuaI| Youtube by Tinker Tech Trove]] and the code on [[https://github.com/tinkertechtrove/pico-pi-playing/tree/main/pio-steppers|Github]]\\
  
-[[https://www.seeedstudio.com/blog/2021/01/25/programmable-io-with-raspberry-pi-pico/|Seeedstudio: Programmable I/O with Raspberry Pi Pico by Jonathan Tan]]\\+[[https://www.seeedstudio.com/blog/2021/01/25/programmable-io-with-raspberry-pi-pico/|Seeedstudio: Programmable I/O with Raspberry Pi Pico by Jonathan Tan _seeedstudio.com]]\\ 
 + 
 +[[https://medium.com/geekculture/serial-connection-between-raspberry-pi-and-raspberry-pico-d6c0ba97c7dc|Serial Connection between Raspberry Pi and Raspberry Pico bySebastian _medium.com]]\\
  
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