Samsung S3C6400X, User Manual, Page: 905 / 1189

PRELIMINARY
S3C6400X RISC MICROPROCESSOR HSMMC CONTROLLER
27-29
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
RESPONSE REGISTER
This register is used to store responses from SD cards.
Register Address R/W Description Reset Value
RSPREG0_0 0x7C200010 ROC Response Register 0 (Channel 0) 0x0
RSPREG1_0 0x7C200014 ROC Response Register 1 (Channel 0) 0x0
RSPREG2_0 0x7C200018 ROC Response Register 2 (Channel 0) 0x0
RSPREG3_0 0x7C20001C ROC Response Register 3 (Channel 0) 0x0
Register Address R/W Description Reset Value
RSPREG0_1 0x7C300010 ROC Response Register 0 (Channel 1) 0x0
RSPREG1_1 0x7C300014 ROC Response Register 1 (Channel 1) 0x0
RSPREG2_1 0x7C300018 ROC Response Register 2 (Channel 1) 0x0
RSPREG3_1 0x7C30001C ROC Response Register 3 (Channel 1) 0x0
Register Address R/W Description Reset Value
RSPREG0_2 0x7C400010 ROC Response Register 0 (Channel 2) 0x0
RSPREG1_2 0x7C400014 ROC Response Register 1 (Channel 2) 0x0
RSPREG2_2 0x7C400018 ROC Response Register 2 (Channel 2) 0x0
RSPREG3_2 0x7C40001C ROC Response Register 3 (Channel 2) 0x0
Name Bit Description Initial
Value
[127:0]
Command Response
The Table below describes the mapping of command responses from the SD
Bus to this register for each response type. In the table, R[] refers to a bit range
within the response data as transmitted on the SD Bus, REP[] refers to a bit
range within the
Response register.
128-bit Response bit order : {RSPREG3, RSPREG2, RSPREG1, RSPREG0}
Kind of Response Meaning of Response Response Field Response Register
R1, R1b (normal response) Card Status R [39:8] REP [31:0]
R1b (Auto CMD12 response) Card Status for Auto CMD12 R [39:8] REP [127:96]
R2 (CID, CSD register) CID or CSD reg. incl. R [127:8] REP [119:0]
R3 (OCR register) OCR register for memory R [39:8] REP [31:0]
R4 (OCR register) OCR register for I/O etc R [39:8] REP [31:0]
R5,R5b SDIO response R [39:8] REP [31:0]
R6 (Published RCA response) New published RCA[31:16] etc R [39:8] REP [31:0]
Response Bit Definition for Each Response Type.