Memory Array Partitioning - SanDisk SDSDB-016G-A11 Product Manual

Revision 2.2
Figure 1-2
Table 1-1
Part No.
SDSDH-2048
SDSDJ-2048
SDSDX3-1024
SDSDH-1024
SDSDJ-1024
SDSDH-512
SDSDJ-512
SDSDH-256
SDSDJ-256
SDSDJ-128
SDSDJ-64
1
All measurements are in units per card.
2
The part of the card that relates to the secured copyright management and has separate DOS partitioning
including sectors and blocks. The card write-protection mechanism does not affect this area.
© 2004 SanDisk Corporation

Memory Array Partitioning

SanDisk SD Memory Card
WP Group 0
Sector 1
Sector 2
Sector 3
Sector n
WP Group 1
WP Group 2
Protected Area (Copyright Protection)
Sector 1
Sector n
Memory Array Structures Summary
Block Data Area +
Size Protected size
(Bytes) (Blocks)
512 4,011,520
512 4,011,520
512 2,004,480
512 2,004,480
512 2,004,480
512 1,001,216
512 1,001,216
512 499,456
512 499,456
512 248,640
512 123,232
1-7
Chapter 1 – Introduction
SanDisk SD Card Product Manual
Bloc Bloc Bloc Bloc
k 0 k 1 k 2 k n
Bloc Bloc Bloc Bloc
k 0 k 1 k 2 k n
1
2
Protected Area size
(Blocks)
40,448
40,448
20,480
20,480
20,480
10,240
10,240
5,376
5,376
2,624
1,376
User Area
(Blocks0
3,971,072
3,971,072
1,984,000
1,984,000
1,984,000
990,976
990,976
494,080
494,080
246,016
121,856
12/08/04