MultiMediaCardTM
4.5.3
4.5.4
4.6
4.6.1
4.7
4.8
4.8.1
4.9
4.9.1
4.9.2
4.9.3
4.9.4
4.9.5
4.9.6
4.9.7
4.9.8
4.9.9
4.10
Relative Card Address (RCA) ----------------------------------------------------------------------- 21
Card Specific Data (CSD) ---------------------------------------------------------------------------- 22
MultiMediaCard Communication -------------------------------------------------------------------- 30
Commands ----------------------------------------------------------------------------------------------- 30
Read, Write and Erase Time-out Conditions ----------------------------------------------------- 33
Card Identification Mode ------------------------------------------------------------------------------ 34
Operating Voltage Range Validation --------------------------------------------------------------- 35
Data Transfer Mode ------------------------------------------------------------------------------------ 35
Block Read ----------------------------------------------------------------------------------------------- 37
Block Write ----------------------------------------------------------------------------------------------- 37
Erase ------------------------------------------------------------------------------------------------------ 38
Write Protect Management -------------------------------------------------------------------------- 38
Card Lock/Unlock Operation ------------------------------------------------------------------------ 38
Responses ----------------------------------------------------------------------------------------------- 41
Status ------------------------------------------------------------------------------------------------------ 42
Command Response Timing ------------------------------------------------------------------------ 44
Reset ------------------------------------------------------------------------------------------------------ 48
SPI Communication ----------------------------------------------------------------------------------- 49
4.10.1 Mode Selection ----------------------------------------------------------------------------------------- 49
4.10.2 Bus Transfer Protection ------------------------------------------------------------------------------ 49
4.10.3 Data Read Overview ---------------------------------------------------------------------------------- 50
4.10.4 Data Write Overview ---------------------------------------------------------------------------------- 51
4.10.5 Erase and Write Protect Management ----------------------------------------------------------- 52
4.10.6 Reading CID/CSD Registers ------------------------------------------------------------------------ 53
4.10.7 Reset Sequence --------------------------------------------------------------------------------------- 53
4.10.8 Error Conditions ---------------------------------------------------------------------------------------- 53
4.10.9 Memory Array Partitioning --------------------------------------------------------------------------- 53
4.10.10 Card Lock/Unlock -------------------------------------------------------------------------------------- 53
4.10.11 Commands ----------------------------------------------------------------------------------------------- 54
4.10.12 Responses ----------------------------------------------------------------------------------------------- 56
4.10.13 Data Tokens --------------------------------------------------------------------------------------------- 58
4.10.14 Data Error Token --------------------------------------------------------------------------------------- 59
4.10.15 Clearing Status Bits ------------------------------------------------------------------------------------ 60
4.11
4.12
SPI Bus Timing ----------------------------------------------------------------------------------------- 61
Error Handling ------------------------------------------------------------------------------------------ 64
4.12.1 Error Correction Code (ECC) ----------------------------------------------------------------------- 64
4.12.2 Cyclic Redundancy Check (CRC) ----------------------------------------------------------------- 64
4
SAMSUNG [ SAMSUNG ]
