Specifications

©Copyright 2001-2013 SD Group (Panasonic, SanDisk, Toshiba) and SD Card Association
Physical Layer Simplified Specification Version 4.10
viii
5.7.3.2.9 Extension Register Set Address (4-byte for each) ......................................................... 140
5.7.4 Revision Management ...................................................................................................... 141
5.8 Application Specification on Function Extension ..................................................................... 142
5.8.1 Power Management Function ........................................................................................... 142
5.8.1.1 Abstract of Power Management Function ............................................................................. 142
(1) Features of Power Off Notification ......................................................................................... 142
(2) Features of Power Sustenance .............................................................................................. 142
(3) Features of Power Down Mode .............................................................................................. 142
5.8.1.2 Extension Register Set for Power Management ................................................................... 142
5.8.1.3 Power Off Notification............................................................................................................ 144
5.8.1.4 Power Sustenance ................................................................................................................ 145
5.8.1.5 Power Down Mode ................................................................................................................ 146
5.8.1.6 General Information of Power Management Function .......................................................... 147
6. SD Memory Card Hardware Interface ............................................................................ 148
6.1 Hot Insertion and Removal ..................................................................................................... 148
6.2 Card Detection (Insertion/Removal) ........................................................................................ 148
6.3 Power Protection (Insertion/Removal)..................................................................................... 148
6.4 Power Scheme ....................................................................................................................... 149
6.4.1 Power Up Sequence for SD Bus Interface ........................................................................ 149
6.4.1.1 Power Up Time of Card ......................................................................................................... 149
6.4.1.2 Power Up Time of Host ......................................................................................................... 150
6.4.1.3 Power On or Power Cycle ..................................................................................................... 150
6.4.1.4 Power Supply Ramp Up ........................................................................................................ 150
6.4.1.5 Power Down and Power Cycle ............................................................................................. 150
6.4.2 Power Up Sequence for UHS-II Interface ......................................................................... 151
6.4.2.1 Power Up Sequence of UHS-II Card .................................................................................... 151
6.4.2.2 Power Up Sequence of UHS-II Host ..................................................................................... 151
6.5 Programmable Card Output Driver (3.3V Single End) (Optional) ............................................ 152
6.6 Bus Operating Conditions for 3.3V Signaling .......................................................................... 152
6.7 Driver Strength and Bus Timing for 1.8V Signaling ................................................................. 152
6.8 Electrical Static Discharge (ESD) Requirement ...................................................................... 152
7. SPI Mode .......................................................................................................................... 153
7.1 Introduction ............................................................................................................................. 153
7.2 SPI Bus Protocol .................................................................................................................... 153
7.2.1 Mode Selection and Initialization ...................................................................................... 154
7.2.2 Bus Transfer Protection .................................................................................................... 156
7.2.3 Data Read ........................................................................................................................ 156
7.2.4 Data Write ........................................................................................................................ 157
7.2.5 Erase & Write Protect Management ................................................................................. 158
7.2.6 Read CID/CSD Registers ................................................................................................. 159
7.2.7 Reset Sequence ............................................................................................................... 159
7.2.8 Error Conditions ............................................................................................................... 159
7.2.9 Memory Array Partitioning ................................................................................................ 159
7.2.10 Card Lock/Unlock ........................................................................................................... 159
7.2.11 Application Specific Commands ...................................................................................... 159
7.2.12 Content Protection Command ........................................................................................ 160
7.2.13 Switch Function Command ............................................................................................. 160
7.2.14 High Speed Mode ........................................................................................................... 160
7.2.15 Speed Class Specification .............................................................................................. 160