Atmel AT88SC0104CA - Atmel Corporation

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Figure 5-3. Data Validity SDA SCL DATA STABLE Figure 5-4. Start and Stop Definitions SDA SCL DATA CHANGE ALLOWED START STOP Figure 5-5. Output Acknowledge SCL DATA IN DATA OUT DATA STABLE 1 8 9 START ACKNOWLEDGE Atmel AT88SC0104CA [SUMMARY DATASHEET] 5200FS−CRYPTO−12/11 8
6. Device Architecture 6.1 User Zones The EEPROM user memory is divided into four zones of 256 bits each. Multiple zones allow for storage of different types of data or files in different zones. Access to user zones is permitted only after meeting proper security requirements. These security requirements are user definable in the configuration memory during device personalization. If the same security requirements are selected for multiple zones, then these zones may effectively be accessed as one larger zone. Figure 6-1. User Zones Zone $0 $1 $2 $3 $4 $5 $6 $7 User 0 $00 - 32 bytes - $18 User 1 $00 - 32 bytes - $18 User 2 $00 - 32 bytes - $18 User 3 $00 7. Control Logic - 32 bytes - $18 Access to the user zones occur only through the control logic built into the device. This logic is configurable through access registers, key registers and keys programmed into the configuration memory during device personalization. Also implemented in the control logic is a cryptographic engine for performing the various higher-level security functions of the device. Atmel AT88SC0104CA [SUMMARY DATASHEET] 5200FS−CRYPTO−12/11 9
Page 1 and 2: This is a summary document. The com
Page 3 and 4: 1. Description The Atmel AT88SC0104
Page 5 and 6: 4. *Absolute Maximum Ratings Operat
Page 7: 5.2 Memory Reset After an interrupt
Page 11 and 12: 8.2 Security Fuses There are three
Page 13 and 14: 10.5 Cryptographic Message Authenti
Page 15 and 16: 12. Initial Device Programming Enab
Page 17 and 18: 14. Package Information Ordering Co
Page 19 and 20: 14.2 Ordering Code: PU 8P3 - PDIP D
Page 21 and 22: 14.4 Ordering Code: Y6H-T 8MA2 - Ul
Page 23: Atmel Corporation 2325 Orchard Park

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