This specification defines the physical, electrical, operating characteristics and command set for the MultiMediaCard (MMC) card.
The Samsung MultiMediaCard Specification Handbook provides a comprehensive description of the MultiMediaCard family, covering system features, command sets, and electrical characteristics. It includes detailed tables of product models, ordering information, and interface specifications for both standard MultiMediaCard and SPI modes.
The document also explains error management, endurance, power‑saving sleep mode, hot‑insertion support, and compliance with the MultiMediaCard V3.31 standard. Technical data such as operating voltage, capacity options, and maximum data‑rate capabilities are presented for designers and system integrators.
| Operating Voltage Range | 2.7 V to 3.6 V |
|---|---|
| Endurance per Sector | 1,000,000 writes (read unlimited) |
| Maximum Data Rate | Supports up to 10 cards simultaneously |
| Capacity – Model MC56U032NCFA-0QC00 | 32 MB |
| Capacity – Model MC2GU512NMCA-0QC00 | 512 MB |
The MultiMediaCard operates between 2.7 V and 3.6 V.
Each sector is rated for 1,000,000 write cycles, while reads are unlimited.
Yes, the device supports both standard MultiMediaCard mode and an alternate SPI communication protocol.