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Bill Greiman 2025-03-15 04:24:41 -07:00 committed by GitHub
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@ -8,10 +8,9 @@ Begin by running the Rp2040SdioSetup example to try RP2040/RP2350 SDIO.
This example requires a SDIO Card socket with the following six lines. This example requires a SDIO Card socket with the following six lines.
CLK - A clock signal sent to the card by the MCU. * CLK - A clock signal sent to the card by the MCU.
CMD - A bidirectional line for for commands and responses. * CMD - A bidirectional line for for commands and responses.
DAT[0:3] - Four bidirectional lines for data transfer. * DAT[0:3] - Four bidirectional lines for data transfer.
CLK and CMD can be connected to any GPIO pins. DAT[0:3] can be connected CLK and CMD can be connected to any GPIO pins. DAT[0:3] can be connected
to any four consecutive GPIO pins in the order DAT0, DAT1, DAT2, DAT3. to any four consecutive GPIO pins in the order DAT0, DAT1, DAT2, DAT3.