RP2040 PIO Instruction Set Deep‑Dive: Starting from the Datasheet
RP2040 PIO‑instructions are 16‑bit wide, split into 3 fields: 3‑bit opcode, 5‑bit side‑set/delay, and 8‑bit parameter.
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Project description
【Preliminary Note】The original hardware example in this article was written based on the RP2040. The actual hardware used in this hands-on demonstration features the W55RP20 as the main controller chip. The circuit logic and UF2 flashing operation principles are universally applicable, with only the main controller model differing. The original chip model mentioned in the circuit descriptions below is provided for reference purposes only. Tweet: PIO Instruction Set The PIO instruction set contains a total of 9 instructions, each of which is 16 bits in length, and is divided into 3 fixed…
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