MultiMediaCard Product Manual
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION
5
Table of Contents
(continued)
6.0
SPI Protocol Definition .........................................................................................................61
6.1
SPI Bus Protocol ............................................................................................................. 61
6.1.1
Mode Selection................................................................................................... 61
6.1.2
Bus Transfer Protection....................................................................................... 62
6.1.3
Data Read......................................................................................................... 62
6.1.4
Data Write........................................................................................................ 63
6.1.5
Erase & Write Protect Management .................................................................... 63
6.1.6
Read CID/CSD Registers ................................................................................... 64
6.1.7
Reset Sequence ................................................................................................... 64
6.1.8
Clock Control..................................................................................................... 64
6.1.9
Error Conditions................................................................................................. 64
6.1.9.1
CRC and Illegal Command .................................................................. 64
6.1.9.2
Read, Write and Time-out Conditions.................................................. 64
6.1.10 Memory Array Partitioning................................................................................ 65
6.2
SPI Command Set........................................................................................................... 65
6.2.1
Command Format............................................................................................... 65
6.2.1.1
Detailed Command Description........................................................... 66
6.2.2
Responses........................................................................................................... 68
6.2.2.1
Format R1........................................................................................... 68
6.2.2.2
Format R1b ......................................................................................... 68
6.2.2.3
Format R2........................................................................................... 69
6.2.2.4
Data Response .................................................................................... 69
6.2.3
Data Tokens....................................................................................................... 70
6.2.4
Data Error Token................................................................................................ 70
6.3
Card Registers ............................................................................................................... 70
6.4
SPI Bus Timing Diagrams ............................................................................................... 71
6.4.1
Command/Response ........................................................................................... 71
6.4.2
Data Read......................................................................................................... 72
6.4.2.1
Data Write......................................................................................... 72
6.4.3
Timing Values.................................................................................................... 72
6.5
SPI Electrical Interface .................................................................................................. 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
