Socket Type F
Secure Digital Card (SD) or MMC (Multi Media Card) interface. Pins 4 to 9 are the dedicated data and control lines for this interface. In addition, pin 3 is a general-purpose digital input/output with interrupt capabilities.
A general-purpose digital input/output pin, operating at 3.3 Volts.
||Interrupt-capable and software pull-up capable GPIO (the pull-up is switchable and in the range of 10,000 to 100,000 ohms).
||Connection to the +3.3V power net.
||Connection to the +5V power net.
||Connection the power ground net.
Connector Pin Numbering
Pins numbers for the male 10-pin connector standard Gadgeteer socket, as seen from above. In most cases, the ribbon cables will have the pin 1 conductor marked in red.