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PDF MC12U016HACA Data sheet ( Hoja de datos )
| Número de pieza | MC12U016HACA | |
| Descripción | MultiMediaCard Specification | |
| Fabricantes | Samsung semiconductor | |
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Hay una vista previa y un enlace de descarga de MC12U016HACA (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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MultiMediaCardTM
MultiMediaCard Specification
www.DataSheet4U.com
Version : Ver. 0.9
Date 4 – June - 2004
Samsung Electronics Co., LTD
Semiconductor Flash Memory Product Planning & Applications
1
1 page  
MultiMediaCardTM
1 Introduction to the MultiMediaCard
The MultiMediaCard is a universal low cost data storage and communication media. It is designed to
cover a wide area of applications as cellula phone, electronic toys, organizers, PDAs, cameras, smart
phones, digital recorders, MP3 players, pagers, etc. Targeted features are high mobility and high
performance at a low cost price. It might also be expressed in terms of low power consumption and
high data throughput at the memory card interface
The MultiMediaCard communication is based on an advanced 7-pin serial bus designed to operate in a
low voltage range. The communication protocol is defined as a part of this standard and referred to as
MultiMediaCard mode. For compatibility to existing controllers the cards may offer, in addition to the
www.DataSheMet4uUl.tciMomediaCard mode, an alternate communication protocol which is based on the SPI standard
1.1 System Features
- MultiMediaCard System Specification Ver.3.31 compatible
- Supports Standard MultiMediaCard bus
- Supports SPI Mode (single and multiple block read and write operations)
- Supports block read/write
- Targeted for portable and stationary applications
- Maximum data rate with up to 10 cards
- Correction of memory field errors
- Built-in write protection features (permanent and temporary)
- Comfortable erase mechanism
- 2.7 to 3.6 volts operation
1.2 Product Model
Table 1-1 MultiMediaCard Capacities (Packing Type:Bulk Type I)
Model Number
MC56U032NCFA-0QC00
MC12U064NBFA-0QC00
MC1GU128NAFA-0QC00
MC2DU256NAFA-0QC00
MC2GU512NMCA-0QC00
MC2GU01GNMCA-0QC00
MC56U032HCCA-0QC00
MC12U064HACA-0QC00
MC1GU128HACA-0QC00
MC1GU256HACA-0QC00
Capacities
32MB
64MB
128MB
256MB
512MB
1GB
32MB
64MB
128MB
256MB
Remarks
. Full Size MMC
. S3F49DAX Controller
. Reduced-Size MMC
(RS-MMC)
. S3F49DAX Controller
5
5 Page 
MultiMediaCardTM
The host can read the CSD register and alter the host controlled data bytes using the SEND_CSD and
PROGRAM_CSD commands.
2.7 SPI Mode
The SPI mode is a secondary (optional) communication protocol offered for MultiMediaCard. This
mode is a subset of the MultiMediaCard protocol, designed to communicate with an SPI channel,
commonly found in Motorola’s (and lately a few other vendors’) microcontrollers.
2.7.1 Negotiating Operation Conditions
www.DataSheet4U.com
The operating condition negotiation function of the MultiMediaCard bus is not supported in SPI mode.
The host must work within the valid voltage range (2.7 to 3.6 volts) of the card.
2.7.2 Card Acquisition and Identification
The card acquisition and identification function of the MultiMediaCard bus is not supported in SPI mode.
The host must know the number of cards currently connected on the bus. Specific card selection is
done via the CS signal.
2.7.3 Card Status
In SPI mode only 16 bits (containing the errors relevant to SPI mode) can be read out of the
MultiMediaCard status register.
2.7.4 Memory Array Partitioning
Memory partitioning in SPI mode is equivalent to MultiMediaCard mode. All read and write commands
are byte addressable.
2.7.5 Read and Write Operations
In SPI mode, only single block read/write mode is supported.
2.7.6 Data Transfer Rate
In SPI mode only block mode is supported. The typical access time (latency) for each data block, in
read operation, is 1.5mS. The write typical access time (latency) for each data block, in read operation,
is 1.5mS. The write block operation is done in handshake mode. The card will keep DataOut line low
as long as the write operation is in progress and there are no write buffers available.
2.7.7 Data Protection in the MultiMediaCard
Same as for the MultiMediaCard mode.
2.7.8 Erase
Same as in MultiMediaCard mode
11
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