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MartinRGB/Teensy_4.1_upgrade.md

Last active November 3, 2023 02:13
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Teensy 4.1 RAM/FLASH Upgrade
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Teensy_4.1_upgrade.md

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reference:

https://www.hackster.io/news/adding-more-ram-and-flash-to-the-teensy-4-1-89e527855502

https://protosupplies.com/product/teensy-4-1-fully-loaded/

https://www.pjrc.com/store/psram.html

https://ezcontents.org/teensy-41-psram-upgrade

Tested Component:

PSRAM IC

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  • IPUS IPS6404LSQ

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  • ESP PSRAM64H

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  • AP 6404L-3SQR

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  • Lyontek LY68L6400S。

Flash Memory IC

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  • Winbond W25Q128JVSIQ (16MB)
  • Winbond W25N01GVZEIG (128MB)
  • Winbond W25N02KVZEIR (256MB)

Upgrade Option:

One PSRAM Chip with Flash Memory

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Two PSRAM Chips for 16 MB Memory

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One PSRAM Chip for 8 MB Memory

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8MB PSRAM/256MB Flash

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