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Product Manual - Page 2
...; Revision 2 dated 4/2000-Changed mechanical specification drawing, clarified system performance specifications, editorial changes.
2
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION All parts of the following U.S. The information in life support applications assumes all rights are for technical or editorial errors or omissions contained herein; Product names...
Product Manual - Page 3
... Specifications 16 2.2 System Power Requirements 16 2.3 System Performance ...16 2.4 System Reliability and Maintenance 17 2.5 Physical Specifications 17
3.0 Installation ...18
3.1 Mounting...18
4.0 MultiMediaCard Interface Description 19
4.1 Physical Description...19 4.1.1 Pin Assignments in MultiMediaCard Mode 19
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK...
Product Manual - Page 5
...73 6.6 SPI Bus Operating Conditions 73 6.7 Bus Timing...73
Ordering Information and Technical Support 75
Ordering Information ...77 MultiMediaCard ...77
Technical Support Services...78 Direct SanDisk Technical Support 78 SanDisk Worldwide Web Site 78
SanDisk Sales Offices...79 Limited Warranty...83 Appendix MultiMediaCard Connectors 85
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000...
Product Manual - Page 8
... • Voltage range - Capacities
SDMB-4
4.0 MB
SDMB-8
8.0 MB
SDMB-16
16.0 MB
SDMB-32
32.1 MB
1.3 System Features
• Up to 64k cards addressable by the bus protocol Easy card identification Error-protected data transfer
Sequential and single/multiple block oriented data transfer
SPI
Three-wire serial data bus (Clock, dataIn, dataOut) + card specific CS signal. A non protected...
Product Manual - Page 13
...Manual
Table 1-3 Memory Array Structures Summary
Structure
SDMB-4
SDMB-8
SDMB-16
Bytes
4.03 MB
8.03 MB
16.06 MB
Sector
7,872
15,680
31,360
Erase Group
16
16
32
Size [sectors]
# of Erase
492
980
980
Groups
Write Protect
32
32
32
Group Size
[erase groups]
# of Write
16... Address
Stop Start
Stop
Single Block Mode
Misalignment Error
Memory Memory Memory Memory Memory ...
Product Manual - Page 14
... MultiMediaCard controller firmware and not with 16 bit CRC which will be selected for write operations must be erased in the same time. The block length for erase.
The current write protect map can be stored or retrieved from contiguous memory addresses starting address is terminated with an Error Correction Code (ECC).
The block length, for...
Product Manual - Page 15
... t h e MultiMediaCard is set (copy) or cleared, indicating the card is a master.
MultiMediaCard Product Manual
1.5.8.10 Copy Bit
1.5.9.2 Card Acquisition and Identification
The content of a MultiMediaCard can be marked as an original or a copy using the SEND_CSD and PROGRAM_CSD commands.
1.5.9 SPI Mode
In SPI mode, only single block read/write mode is supported.
1.5.9.6 Data Transfer...
Product Manual - Page 30
... Allowed
-
5
R
[20:16]
0
0
Reserved
-
1
...supported by the card. The card identification procedure is compatible for all bit strings are interpreted as binary coded numbers starting with the left bit first. CSD_STRUCTURE-describes the version of the command set and the card responses. If not explicitly defined otherwise, all protocol versions.
30
SanDisk MultiMediaCard Product Manual...
Product Manual - Page 34
... length for field coding. A value of write blocks (see SECTOR_SIZE).
WRITE_BL_PARTIAL='0' means that smaller blocks can be reset to original. The contents of this number by increasing this card are permanently disabled). The contents of this register is computed by the card manufacturer. not write protected.
34
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000...
Product Manual - Page 44
...
44
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION The transferred data is still in order to 16. This...protection features. Either an arbitrary set t h e WP_VIOLATION bit. MultiMediaCard Product Manual
ADDRESS_ERROR error bit in byte units. If...tries to ensure validity of the CRC field of measure for block write, t h e MultiMediaCard will be removed
(in ...
Product Manual - Page 48
...
Class 8
Erase Write-Protection
Class 9
I/O Mode2
Class 10-11
Reserved
1) 7-bit Cyclic Redundancy Check. 2) I/O mode class is divided into several classes (See Table 5-2). Each class supports a set of the MultiMediaCard is not supported by the SanDisk MultiMediaCard.
48
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000...
Product Manual - Page 50
...
R1
[15:0] don't cares*
SET_RELATIVE_ ADDR
Assigns relative address to Figure 5-18 for more details.
50
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION CMD41
Not Supported
CMD5
Reserved
CMD6
Reserved
CMD7
ac
[31:16] RCA
R1 SELECT/DESELECT_ Command toggles a card between the
[15:0] don't cares* (only
CARD
Stand-by and Transfer states...
Product Manual - Page 61
...
required it will cause a write error.
All communication between host and cards is controlled by asserting the CS signal low. Only single block read write operations are disabled by power cycling the card. A data block may be sent on command and data bit-streams which replaces the expected data block) rather than 512
bytes will...
Product Manual - Page 64
...SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION Without a clock edge, the MultiMediaCard (unless previously disconnected by the SPI host to classes not supported...Error Conditions
6.1.9.1 CRC and Illegal Command
6.1.8 Clock Control
The SPI bus clock signal can be set...16 bytes suffixed with a standard response token followed by being set...the last data block.
•...
Product Manual - Page 77
MultiMediaCard
Model SDMB-4 SDMB-8 SDMB-16 SDMB-32
4.0 MB 8.0 MB 16.0 MB 32 .1MB
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION
77
Ordering Information and Technical Support
Ordering Information
To order SanDisk products directly from SanDisk, call 408-542-0595.
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