MMCplus
From HwB
(Difference between revisions)
| Line 78: | Line 78: | ||
== Related connectors == | == Related connectors == | ||
| − | |||
* [[MMCmobile]] | * [[MMCmobile]] | ||
* [[MMCmicro]] | * [[MMCmicro]] | ||
== Sources == | == Sources == | ||
| − | |||
* [http://flash.atpinc.com/articles/images/1031/MMC_Plus_spec.pdf ATP Electronics MMCplus Specification] | * [http://flash.atpinc.com/articles/images/1031/MMC_Plus_spec.pdf ATP Electronics MMCplus Specification] | ||
== Links == | == Links == | ||
| − | |||
* [http://www.mmca.org/ MultiMediaCard Association] | * [http://www.mmca.org/ MultiMediaCard Association] | ||
[[Category:Connector]] | [[Category:Connector]] | ||
| + | [[Category:Memory]] | ||
Revision as of 12:11, 30 December 2006
MMC=MultiMediaCard
MMCplus was defined for first time in MMC System Specification v4.0. MMCplus is backward compatible with MMC.
VCC=1.7-3.6 VDC
Size is 32 x 24 x 1.4 mm.
Contents |
Pinout
MultiMedia Card Mode
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | DAT3 |  PP) |
Data bit 3 |
| 2 | CMD | PP) OD) |
Command/Response |
| 3 | VSS |  |
Supply voltage ground |
| 4 | VDD |  |
Supply voltage |
| 5 | CLK | |
Clock |
| 6 | VSS | |
Supply voltage ground |
| 7 | DAT0 | PP) |
Data bit 0 |
| 8 | DAT1 | PP) |
Data bit 1 |
| 9 | DAT2 | PP) |
Data bit 2 |
| 10 | DAT4 | PP) |
Data bit 4 |
| 11 | DAT5 | PP) |
Data bit 5 |
| 12 | DAT6 | PP) |
Data bit 6 |
| 13 | DAT7 | PP) |
Data bit 7 |
Note: Direction is memory card relative to host
PP) Push-pull. OD) Open-drain.
SPI Mode
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | CS | |
Chip Select (Active Low) |
| 2 | DI | PP) |
Data In |
| 3 | VSS | |
Supply voltage ground |
| 4 | VDD | |
Supply voltage |
| 5 | CLK | |
Clock |
| 6 | VSS | |
Supply voltage ground |
| 7 | DO |  PP) |
Data Out |
| 8 | n/c | Not used | |
| 9 | n/c | Not used | |
| 10 | n/c | Not used | |
| 11 | n/c | Not used | |
| 12 | n/c | Not used | |
| 13 | n/c | Not used |
Note: Direction is memory card relative to host
PP) Push-pull.