B.2.8. MMC connector

Figure B.13 shows the pin numbering and signal assignment for the MMC card. Pin 9 is next to pin 1 and pins 7 and 8 are spaced more closely together than the other pins. Socket J9 provides test access to the MMC pins (see Figure B.15).

Figure B.13. MMC card socket pin numbering, J11

MMC cards use seven pins. Figure B.14 shows an MMC card, with the contacts face up.

Figure B.14. MMC card

Connector J9 enables you to access the signals for debugging or to route them to an off-PCB card socket. The pinout of J9 is shown in Figure B.15.

Figure B.15. J9 pinout

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