MMCmobile
From HwB
MMC = MultiMediaCard
MMCmobile was defined for first time in MMC System Specification v4.1. MMCmobile is backward compatible with RS-MMC.
Size is 18 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.