Chapter 3 – iNAND Interface Description
Revision 3.1
SanDisk iNAND Product Manual
© 2006 SanDisk Corporation
3-7
12/07/06
Refer to
Section 5.3.3, Table 5-16
of the SDA
Physical Layer Specification, Version 2.00
for more detailed information.
Table 3-6
CSD Register (CSD Version 2.0)
Field CSD
Value
Description
CSD_ STRUCTURE
2.0
CSD structure
--- ---
Reserved
TAAC
1.5 ms
Data read access time-1
NSAC
0
Data read access time-2 in CLK cycles
(NSAC*100)
Default 25MHz
TRANS_ SPEED
High-speed 50MHz
Max. data transfer rate
CCC 010110110101b
All
(inc. WP,
lock/unlock)
Card command classes
READ_BL_ LEN
---
Max. read data block length
READ_BL_ PARTIAL
Yes
Partial blocks for read allowed
WRITE_BLK_ MISALIGN
No
Write block misalignment
READ_BLK_ MISALIGN
No
Read block misalignment
DSR_IMP No DSR
implemented
--- 0
Reserved
32 GB
16 GB
8 GB
C_SIZE
4 GB
Device size
--- 0
Reserved
ERASE_BLK_EN
1
Erase single block enable
SECTOR_ SIZE
32 blocks
Erase sector size
WP_GRP_ SIZE
128 sectors
Write protect group size
WP_GRP_ ENABLE
Yes
Write protect group enable
Reserved
---
Reserved for MMC compatibility
R2W_ FACTOR
x16
Write speed factor
WRITE_BL_ LEN
---
Max. write data block length
WRITE_BL PARTIAL
No
Partial blocks for write allowed
--- ---
Reserved
FILE_ FORMAT_ GRP
0
File format group
COPY
Has been copied
Copy flag (OTP)
PERM_ WRITE_
PROTECT
Not protected
Permanent write protection
