SparkFun Level Shifting microSD Breakout
Compact breakout board for a microSD card slot with on-board level shifting, enabling 5 V microcontrollers to interface with 3.3 V microSD cards via SPI. Adds mass storage to breadboard or embedded projects.
Pinout
- CSbreakout header
SPI chip select for microSD card.
Type · SPI - DIbreakout header
SPI data input/MOSI to microSD card.
Type · SPI - SCKbreakout header
SPI clock to microSD card.
Type · SPI - DObreakout header
SPI data output/MISO from microSD card.
Type · SPI - VCCbreakout header
Breakout supply input.
Type · Power - GNDbreakout header
Ground return.
Type · Ground
| Pin | Position | Type | Function |
|---|---|---|---|
| CS | breakout header | SPI | SPI chip select for microSD card. |
| DI | breakout header | SPI | SPI data input/MOSI to microSD card. |
| SCK | breakout header | SPI | SPI clock to microSD card. |
| DO | breakout header | SPI | SPI data output/MISO from microSD card. |
| VCC | breakout header | Power | Breakout supply input. |
| GND | breakout header | Ground | Ground return. |
Pin details
6 connections- CSbreakout header
SPI chip select for microSD card.
SPI - DIbreakout header
SPI data input/MOSI to microSD card.
SPI - SCKbreakout header
SPI clock to microSD card.
SPI - DObreakout header
SPI data output/MISO from microSD card.
SPI - VCCbreakout header
Breakout supply input.
Power - GNDbreakout header
Ground return.
Ground
Memory
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