MD3331-D32-V3Q18 M-Systems Inc., MD3331-D32-V3Q18 Datasheet - Page 23

• Manufacturer Part Number: MD3331-D32-V3Q18
• Description: Mobile Diskonchip Plus 128Mbits 1.8V I/o
• Manufacturer: M-Systems Inc.

4.2
The first three blocks on Mobile DiskOnChip Plus contain foundry information, the Data Protect structures, IPL
code, and bad-block mapping information. See Figure 8.
Blocks 0, 1 and 2 in Mobile DiskOnChip Plus contain the following information:
23
Block 0
•
•
•
Block 1
•
Block 2
•
•
Low-Level Structure of the Protected Area
Bad Block Table (page 2). Contains the mapping information to unusable Erase units on the flash media.
UID (16 bytes). This number is written during the manufacturing stage, and cannot be altered at a later
time.
Customer OTP (occupies pages 26-31). The OTP area is written once and then locked.
Data Protect Structure 0. This structure contains configuration information on one of the two user-defined
protected partitions.
Data Protect Structure 1. This structure contains configuration information on one of the two user-defined
protected partitions.
IPL Code (1KB). This is the boot code that is downloaded by the DE to the internal boot block.
Bad Block Table and Factory-Programmed UID
Data Protect Structure 1 and IPL Code
Figure 8: Low Level Structure of Mobile DiskOnChip Plus
Data Protect Structure 0
OTP
Data Sheet, Rev. 1.7
Pages 0-5
Pages 7-12
Mobile DiskOnChip Plus 16/32MByte 1.8V I/O
Block 0
Block 1
Block 2
95-SR-000-10-8L