SH7785 Datasheet, PDF (1234/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

24. Multimedia Card Interface (MMCIF)
(1) RSPR0 to RSPR16
Bit: 7
6
5
4
3
2
1
0
RSPR
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Initial
Bit
Bit Name Value R/W Description
7 to 0 RSPR
H'00
R/W These bits are cleared to H'00 by writing an arbitrary
value.
RSPR0 to RSPR16 comprise a continuous 17-byte shift
register.
(2) RSPRD
Bit: 7
6
5
4
3
2
1
0
⎯ ⎯⎯
RSPRD
Initial value: 0
0
0
0
0
0
0
0
R/W: R
R
R R/W R/W R/W R/W R/W
Bit
7 to 5
4 to 0
Bit Name
—
RSPRD
Initial
Value R/W
All 0 R
00000 R/W
Description
Reserved
These bits are always read as 0. The write value should
always be 0.
CRC status
[Clearing condition]
When writing any value to these bits, cleared to
B'00000.
CRC status is stored. CRC status is command
response from the card when data is written into the
MMC card.
Rev.1.00 Jan. 10, 2008 Page 1204 of 1658
REJ09B0261-0100