Read And Write Operations - SanDisk SDMB-16-470 - 16 MB MultiMedia Card Product Manual

Table 1-3 Memory Array Structures Summary
S t r u c t u r e S D M B - 4
Bytes 4.03 MB
Sector 7,872
Erase Group 16
Size [sectors]
# of Erase 492
Groups
Write Protect 32
Group Size
[erase groups]
# of Write 16
Protect Goups
Note: All measurements are in units per card.
1.5.8.6

Read and Write Operations

Memory
Sectors
Start
Address
Memory
Sectors
Memory
Sectors
SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION
S D M B - 8
8.03 MB
15,680
16
980
32
31
Stream Mode
Memory Memory
Sectors Sectors
Write
Multiple Block Mode
Memory Memory
Sectors Sectors
Write
Start
Address
Single Block Mode
Memory Memory
Sectors Sectors
Start Start
Address Address
(Read) (Write)
Figure 1-3 Data Transfer Formats
MultiMediaCard Product Manual
S D M B - 1 6 S D M B - 3 2
16.06 MB 32.11 MB
31,360 62,720
32 32
980 1,960
32 32
31 62
Memory Memory Memory
Sectors Sectors Sectors
Start
Stop
Transmission
Memory Memory Memory
Sectors Sectors Sectors
Stop
Start
Misalignment Error
Memory Memory Memory
Sectors Sectors Sectors
Start
Address
Memory
Sectors
Read
Stop
Memory
Sectors
Read
Stop
Memory
Sectors
13