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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)