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AT88SC153 View Datasheet(PDF) - Atmel Corporation

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AT88SC153 Datasheet PDF : 24 Pages
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Memory Mapping
Table 2. Memory Map
The 2,048 bits of the memory are divided in four zones of 64 bytes each.
Zone
$0
$1
$2
$3
$4
$5
$6
$7
@
$00
User 0
zz(1) = 00
64 bytes
-
-
$38
$00
User 1
zz = 01
64 bytes
-
User 2
zz = 10
Configuration
zz = 11
$38
$00
64 bytes
-
-
$38
$00
64 bytes
$38
Note: 1. zz = zone number
Table 3. Configuration Zone
The last 64 bytes of the memory is a configuration zone with specific system data,
access rights, and read/write commands; it is divided into four subzones.
Configuration
$0
$1
$2
$3
$4
$5
$6
$7
@
Fabrication
Answer-to-Reset
Fab Code
CMC
Lot History Code
$00
AR0
AR1
AR2
MTZ
$08
Issuer Code
$10
Identification
DCR
Identification Number (Nc)
$18
AAC(1)
Cryptogram (Ci)
$20
Secret
Secret Seed (Gc)
$28
PAC
Write 0
PAC
Read 0
$30
Passwords
PAC
Secure Code/Write 1
PAC
Read 1
$38
Notes:
1. Address $20 also serves as the virtual address of the Checksum Authentication Register (CAR) during checksum mode.
CMC: Card Manufacturer Code
AR02: Access Register for User Zone 0 to 2
MTZ: Memory Test Zone
DCR: Device Configuration Register
AAC: Authentication Attempts Counter
PAC: Password Attempts Counter
4 AT88SC153
1016DSMEM04/04
 

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