AT88SC0404CA Просмотр технического описания (PDF) - Atmel Corporation

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AT88SC0404CA

CryptoMemory®

Atmel Corporation 

9. Device Architecture

9.1 User Zones

The EEPROM user memory is divided into 4 zones of 1 Kbits each. Multiple zones allow for stor-

age 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 9-1. User Zone

ZONE

$0

$1

$2

$3

$4

$5

$6

$7

$00

-

User 0

-

128 Bytes

$78

$00

-

User 1

-

128 Bytes

$78

$00

-

User 2

-

128 Bytes

$78

$00

-

User 3

-

128 Bytes

$78

10 AT88SC0404CA

5203CS–CRYPT–5/09

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