S3C44B0X

Manufacturer Part NumberS3C44B0X
DescriptionBGA
ManufacturerSamsung
S3C44B0X datasheets
 


Specifications of S3C44B0X

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PrevNext
S3C2400 RISC MICROPROCESSOR
MMCRR REGISTER SETTING ACCORDING TO MULTI MEDIA CARD CMD
CMD No.
Operation
CMD0
Go Idle
CMD2
All Send CID
CMD4
Set DSR
CMD7
Card select
CMD7
Card deselect
CMD9
Send CSD
CMD10
Send CID
CMD11
Read Seq Data
CMD12
Stop Transfer
CMD15
Go Inactive State
CMD17
Read Single
Block
CMD18
Read Multi Block
CMD20
Write Seq Data
CMD24
Write Single
Block
CMD25
Write Multi Block
CMD26
Program CID
CMD27
Program CSD
CMD28
Set Write Protect
CMD29
Clr Write Protect
CMD30
Send Write
Protect
CMD38
Erase
other
The Other CMD
NOTE:
If you transmit CMD2 several times moer than the number of cards attatched, you must add to transmit dummy
data through CMD bus. You can know the number of cards attatched when NCFIN flag wll not set although 189
MMCCLK cycles running(during the minimum length loop of 160 times) after starting CMD2. Typical value of
dummy data are 0x00, 0x00, 0x00, 0x00, 0x00(5bytes). You put these value in the MMCMD0, MMCMD1 register,
and then set MMCRR register to 0x01.
RTYP
MULTI
SEQ
STOP
0
0
0
3
0
0
0
0
0
1
0
0
0
0
0
3
0
0
3
0
0
1
0
set
1
0
0
0
0
0
1
0
0
1
set
0
1
0
set
1
0
0
1
set
0
1
0
0
1
0
0
2
0
0
2
0
0
1
0
0
2
0
0
1
0
0
MMC INTERFACE
RCMD
WCMD
Finish Flag
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
set
0
set
0
0
0
0
0
0
set
0
0
set
0
0
0
set
0
0
set
0
0
set
0
0
set
0
0
Set
0
0
0
0
0
0
0
set
0
0
0
0
0
0
0
Normal
Normal
Normal
Normal
Normal
Normal
Normal
Data
Normal
Normal
Data
Data
Data
Data
Data
Data
Data
Normal
Normal
Data
Normal
Normal
19-6