srf66v01st Infineon Technologies Corporation, srf66v01st Datasheet - Page 7

• Manufacturer Part Number: srf66v01st
• Description: Intelligent 1 Kbit Eeprom With Contactless Interface Compliant To
• Manufacturer: Infineon Technologies Corporation

2.2
The memory organization of the PJM Light is compliant to ISO/IEC 18000-3 Mode 2. It is split into Manufacturing
System Memory, User System Memory, User Memory and the Configuration and System Memory.
Figure 3
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Short Product Information
Manufacturing System Memory
– contains the unique identifier (SID - Specific IDentifier) and manufacturing data
– information stored in this memory area cannot be changed
User System Memory
– contains the Application Group Identifier, the Conditional Identifier and the Configuration Word
User Memory
– contains the Password in the first 3 words if this feature is enabled
– stores user data in memory words
Configuration and System Memory
– contains chip internal configuration data, the System Configuration Word and the Lock Pointer
– the Lock Pointer can be accessed using a special read/write command
– the System Configuration Word can be accessed using a separate command
Memory Principle
Memory Principle
Word
Addr.
64
79
0
4
7
d
d
d
d
d
Configuration and System Memory
Manufacturing System Memory
User System Memory
Unique Identifier (SID)
User Memory
user word
user word
user word
user word
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MemoryPrinciple.vsd
SRF 66V01ST PJM Light
SRF 66V01ST
PJM Light
2009-02-26