SD-Card
| Pin | Bezeichnung | Funktion | Richtung | SD-Card Pin |
|---|---|---|---|---|
| X7-2A | PIO B0 | Data_Out | Karte→Z9001 | 7 |
| X7-2B | PIO B1 | Data_In | Z9001→Karte | 2 |
| X7-2c | PIO B2 | Clock | Z9001→Karte | 5 |
| X7-3A | PIO B3 | CS | Z9001→Karte | 1 |
| X7-1A | GND | GND | - | 3 |
| X7-1B | GND | GND | - | 6 |
| X7-5A | 5P | 3V3 über 2 Dioden | - | 4 |
