polpo/rp2040-psram
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A header-only C library to allow access to SPI PSRAM via PIO on the RP2040 microcontroller.
3 mentions on Hacker News by 3 people: 1 story, 2 comments · first 2023-05-27 · latest 2024-06-28
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The PicoGUS uses PIO to implement a PSRAM interface in order to store 1 MB of audio sample data: https://github.com/polpo/rp2040-psram
comment by qiqitori · 2024-06-17 · in MicroMac, a Macintosh for under £5 -
…SPI clock speed of 140MHz.", [0] For SPI that should mean a data rate of 140MBit/s, right? [0] https://github.com/polpo/rp2040-psram
comment by _Microft · 2023-05-27 · in PicoGUS: Emulate ISA Sound Cards (GUS, Adlib, MPU-401, Tandy, CMS) with a Pico