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 Arrowlr.pngPP) Data bit 3
2 CMD Arrowlr.pngPP) OD) Command/Response
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 DAT0 Arrowlr.pngPP) Data bit 0
8 DAT1 Arrowlr.pngPP) Data bit 1
9 DAT2 Arrowlr.pngPP) Data bit 2
10 DAT4 Arrowlr.pngPP) Data bit 4
11 DAT5 Arrowlr.pngPP) Data bit 5
12 DAT6 Arrowlr.pngPP) Data bit 6
13 DAT7 Arrowlr.pngPP) 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 Arrowl.png Chip Select (Active Low)
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 DO Arrowr.pngPP) 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.

Related connectors

Links