Samsung S3C2440A User Manual
Page 443
S3C2440A RISC MICROPROCESSOR
MMC/SD/SDIO CONTROLLER
19-7
SDI Response Register 2(SDIRSP2)
Register Address
R/W
Description
Reset
Value
SDIRSP2
0x5A00001C
R
SDI Response Register 2
0x0
SDIRSP2 Bit
Description
Initial
Value
Response2
[31:0]
unused(short), card status[63:32](long)
0x00000000
SDI Response Register 3(SDIRSP3)
Register Address
R/W
Description
Reset
Value
SDIRSP3
0x5A000020
R
SDI Response Register 3
0x0
SDIRSP3 Bit
Description
Initial
Value
Response3
[31:0]
unused(short), card status[31:0](long)
0x00000000
SDI Data / Busy Timer Register(SDIDTimer)
Register Address
R/W
Description
Reset
Value
SDIDTimer
0x5A000024
R/W
SDI Data / Busy Timer Register
0x0
SDIDTimer Bit
Description
Initial
Value
Reserved [31:23]
DataTimer
[22:0]
Data / Busy timeout period
0x10000
SDI Block Size Register(SDIBSize)
Register Address
R/W
Description
Reset
Value
SDIBSize
0x5A000028
R/W
SDI Block Size Register
0x0
SDIBSize Bit
Description
Initial
Value
Reserved [31:12]
BlkSize
[11:0]
Block Size value(0~4095 byte) , don’t care when stream mode
0x000
* In Case of multi block, BlkSize must be aligned to word(4byte) size.(BlkSize[1:0] = 00)