RS-MMC

From HwB

(Difference between revisions)

Revision as of 16:55, 31 March 2007

Todo: This page needs some editing.

RS-MMC=Reduced Size MultiMediaCard

RS-MMC card

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

Size is 24mm x 18mm x 1.4mm.

Pinout

MultiMedia Card Mode

Pin	Name	Dir	Description
1	RSV		Reserved for future use
2	CMD	^{PP) OD)}	Data In
3	VSS		Supply voltage ground
4	VDD		Supply voltage
5	CLK		Clock
6	VSS		Supply voltage ground
7	DAT	^PP)	Data

Note: Direction is memory card relative to host.

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

SPI Mode

Pin	Name	Dir	Description
1	CS		Chip Select
2	DI	^PP)	Data In
3	VSS		Supply voltage ground
4	VDD		Supply voltage
5	CLK		Clock
6	VSS		Supply voltage ground
7	DAT	^PP)	Data Out

Note: Direction is memory card relative to host.

^PP) Push-pull.

Related connectors

Links

MultiMediaCard Association

@@ Line 3: / Line 3: @@
 [[Image:Crucial_ReducedSizeMultiMediaCard(RS-MMC).png|thumb|RS-MMC card]]
-RS-MMC has been superseeded by [[MMCmobile]].
+RS-MMC has been superseeded by [[MMCmobile]]. Which is backward compatible with RS-MMC, but has 13 pins instead of 7.
 Size is 24mm x 18mm x 1.4mm.
+== Pinout ==
+=== MultiMedia Card Mode ===
+{| {{border}}
+! Pin  !! Name !! Dir                           !! Description
+|-
+| 1    || RSV  ||                               || Reserved for future use
+|-
+| 2    || CMD  || {{arrowlr}}<sup>PP) OD)</sup> || Data In
+|-
+| 3    || VSS  || {{arrow}}                 || Supply voltage ground
+|-
+| 4    || VDD  || {{arrowl}}                || Supply voltage
+|-
+| 5    || CLK  || {{arrowl}}                || Clock
+|-
+| 6    || VSS  || {{arrow}}                 || Supply voltage ground
+|-
+| 7    || DAT  || {{arrowlr}}<sup>PP)</sup> || Data
+|}
+''Note: Direction is memory card relative to host.''
+<sup>PP)</sup> Push-pull.<br/>
+<sup>OD)</sup> Open-drain.
+=== SPI Mode ===
+{| {{border}}
+! Pin  !! Name !! Dir                       !! Description
+|-
+| 1    || CS   || {{arrowl}}                || Chip Select
+|-
+| 2    || DI   || {{arrowl}}<sup>PP)</sup>  || Data In
+|-
+| 3    || VSS  || {{arrow}}                 || Supply voltage ground
+|-
+| 4    || VDD  || {{arrowl}}                || Supply voltage
+|-
+| 5    || CLK  || {{arrowl}}                || Clock
+|-
+| 6    || VSS  || {{arrow}}                 || Supply voltage ground
+|-
+| 7    || DAT  || {{arrowlr}}<sup>PP)</sup> || Data Out
+|}
+''Note: Direction is memory card relative to host.''
+<sup>PP)</sup> Push-pull.
 == Related connectors ==