Samsung S3C6400X User Manual page 905

S3C6400X RISC MICROPROCESSOR
RESPONSE REGISTER
This register is used to store responses from SD cards.
Register
RSPREG0_0 0x7C200010
RSPREG1_0 0x7C200014
RSPREG2_0 0x7C200018
RSPREG3_0 0x7C20001C
Register
RSPREG0_1 0x7C300010
RSPREG1_1 0x7C300014
RSPREG2_1 0x7C300018
RSPREG3_1 0x7C30001C
Register
RSPREG0_2 0x7C400010
RSPREG1_2 0x7C400014
RSPREG2_2 0x7C400018
RSPREG3_2 0x7C40001C
Name Bit
[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
R1, R1b (normal response)
R1b (Auto CMD12 response)
R2 (CID, CSD register)
R3 (OCR register)
R4 (OCR register)
R5,R5b
R6 (Published RCA response)
Address R/W
ROC
ROC
ROC
ROC
Address R/W
ROC
ROC
ROC
ROC
Address R/W
ROC
ROC
ROC
ROC
Meaning of Response
Card Status
Card Status for Auto CMD12
CID or CSD reg. incl.
OCR register for memory
OCR register for I/O etc
SDIO response
New published RCA[31:16] etc
Response Bit Definition for Each Response Type.
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.
Description
Response Register 0 (Channel 0)
Response Register 1 (Channel 0)
Response Register 2 (Channel 0)
Response Register 3 (Channel 0)
Description
Response Register 0 (Channel 1)
Response Register 1 (Channel 1)
Response Register 2 (Channel 1)
Response Register 3 (Channel 1)
Description
Response Register 0 (Channel 2)
Response Register 1 (Channel 2)
Response Register 2 (Channel 2)
Response Register 3 (Channel 2)
Description
Response Field
R [39:8]
R [39:8]
R [127:8]
R [39:8]
R [39:8]
R [39:8]
R [39:8]
HSMMC CONTROLLER
Reset Value
0x0
0x0
0x0
0x0
Reset Value
0x0
0x0
0x0
0x0
Reset Value
0x0
0x0
0x0
0x0
Initial
Value
Response Register
REP [31:0]
REP [127:96]
REP [119:0]
REP [31:0]
REP [31:0]
REP [31:0]
REP [31:0]
27-29