Add board file for Eelectronicparts Pico Mini #2339
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| // pico_cmake_set_default PICO_FLASH_SIZE_BYTES = (8 * 1024 * 1024) | ||
| #ifndef PICO_FLASH_SIZE_BYTES | ||
| // This board comes in several variants with different flash sizes | ||
| // Default to 8MB, but there are 2MB, 4MB, and 16MB variants as well |
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Other boards that are available with multiple different size flash chips have created a separate board-header for each flash variant. See e.g. https://github.com/raspberrypi/pico-sdk/blob/develop/src/boards/include/boards/weact_studio_rp2040_2mb.h
| // // copied from itsybitsy rp2040 idk why | ||
| // #ifndef PICO_XOSC_STARTUP_DELAY_MULTIPLIER | ||
| // #define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 64 | ||
| // #endif |
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This allows the crystal oscillator more time to stabilise. See #2234 for some recent discussion about this.
Haha, slightly ironic that the photos on that page show the Open Source Hardware logo, but the description says "Instructions/schematic are NOT included." 😂 |
Funny, that... I bought a dozen of these boards on aliexpress, not realizing that they're not a pro micro clone. That vendor has vanished, but the store listing referenced this pinout and so I was able to trace it back to eelectronicparts and confirm that their pinout matches the boards I got. I kinda wonder if the original schematics are floating around the internet somewhere, but so far eelectronicparts is the only vendor I've seen selling this design. |
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Mistake, sorry - let me clean up my local branches and reopen a fresh PR |
Store page and pinout diagrams are here:
https://www.eelectronicparts.com/products/rp2040-pro-mini-pico-development-board-for-raspberry-pi-dual-core-mciro-python