Generic
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Micro SD socket wired for SPI mode, which is how most microcontrollers read cards. The card is 3.3V — level-shift from a 5V board.
| Part number | Micro SD Socket |
|---|---|
| Manufacturer | Generic |
| Category | Connectors › Card Sockets |
| Package | Header-1x8 |
| Pins | 8 |
| Voltage (max) | 5 V |
Micro SD Socket pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | CS | input | Chip select |
| 2 | MOSI | input | Command / data in |
| 3 | VSS | ground | Ground |
| 4 | VDD | power | Supply, 3.3V |
| 5 | SCK | input | Clock |
| 6 | VSS2 | ground | Ground |
| 7 | MISO | output | Data out |
| 8 | DAT1 | bidirectional | Unused in SPI mode |
Schematic symbol and footprint
Schematic symbol
Footprint: Header 1x8 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.