This is a 12-pin Pmod™ compatible module with a MicroSD slot and optional 3.3V<->1.8V level translation.
This repo contains pinouts, schematics and PCB layouts.
Find more information on the MicroSD product page.
| Pin | Signal |
|---|---|
| 1 | SD_SS |
| 2 | SD_MOSI |
| 3 | SD_MISO |
| 4 | SD_SCK |
| 5 | GND |
| 6 | 3V3 |
| 7 | SD_DAT1 |
| 8 | SD_DAT2 |
| 9 | SD_CD |
| 10 | SD_VSEL18 |
| 11 | GND |
| 12 | 3V3 |
Note: 1.8V signals are used when SD_VSEL18 is high, or 3.3V when low (default).
Note: When SD_CD is asserted high for >100ms, power is shut off to the MicroSD card, allowing reset. All other signals should be held low during reset.
| Revision | Stackup | Notes |
|---|---|---|
| V0 | Aisler 4L | Initial prototype |
The contents of this repo are released under the Lone Dynamics Open License.