MMC

From HwB

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''MMC=MultiMedia Card.''
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''MMC = MultiMedia Card.''
 
[[Image:Crucial_MultiMediaCard.png|thumb|MMC card]]
 
[[Image:Crucial_MultiMediaCard.png|thumb|MMC card]]
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MMC has been superseeded by [[MMCplus]]. Which is backward compatible with MMC, but has 13 pins instead of 7.
  
 
Size is 32 x 24 x 1.4 mm.
 
Size is 32 x 24 x 1.4 mm.

Revision as of 16:56, 31 March 2007

MMC = MultiMedia Card.

MMC card

MMC has been superseeded by MMCplus. Which is backward compatible with MMC, but has 13 pins instead of 7.

Size is 32 x 24 x 1.4 mm.

Contents

Pinout

MultiMedia Card Mode

Pin Name Dir Description
1 RSV Reserved for future use
2 CMD Arrowlr.pngPP) OD) Data In
3 VSS Arrow.png Supply voltage ground
4 VDD Arrowl.png Supply voltage
5 CLK Arrowl.png Clock
6 VSS Arrow.png Supply voltage ground
7 DAT Arrowlr.pngPP) Data

Note: Direction is memory card relative to host.

PP) Push-pull.
OD) Open-drain.

SPI Mode

Pin Name Dir Description
1 CS Arrowl.png Chip Select
2 DI Arrowl.pngPP) Data In
3 VSS Arrow.png Supply voltage ground
4 VDD Arrowl.png Supply voltage
5 CLK Arrowl.png Clock
6 VSS Arrow.png Supply voltage ground
7 DAT Arrowlr.pngPP) Data Out

Note: Direction is memory card relative to host.

PP) Push-pull.

Related connectors

Sources