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GPIO Pinout reference #34

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DMFSouza opened this issue Jan 26, 2024 · 1 comment
Open

GPIO Pinout reference #34

DMFSouza opened this issue Jan 26, 2024 · 1 comment

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@DMFSouza
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I recently acquired a T-Embed, but when trying to add an RC522 module, I came across this doubt: how do I reference the GPIO pins? Which numbering corresponds to the MISO, CLK, and SDA pins? I searched the manual, but the numbering doesn't seem to be correct. Thank you very much for your attention and time in advance!
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@lewisxhe
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lewisxhe commented Jan 27, 2024

If you need to use this SPI, then there is a problem. This hardware design does not reserve an extra free CS pin. You need to connect CS to GPIO 44 or 43.
Regarding which MISO MOSI and SCK are SPI, you can see here.

// SPI Share with SDCard , NFC , Radio(CC1101)

Please note that GPIO17,18 are I2C, if used for other purposes, the onboard decoding ES7210 will not be able to communicate.

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