AT88SC1608-10CI-00 ATMEL [ATMEL Corporation], AT88SC1608-10CI-00 Datasheet - Page 5

• Manufacturer Part Number: AT88SC1608-10CI-00
• Description: 8 x 256 x 8 Secure Memory with Authentication
• Manufacturer: ATMEL [ATMEL Corporation]

Table 2. Configuration Zone
Note:
Fuses
0971G–SMEM–04/04
Configuration
Authentication
Fabrication
Passwords
PAC: Password Attempts Counter
AR0 7: Access Register for User Zone 0 to 7
AAC: Authentication Attempts Counter
Access
Secret
Test
AR0
AAC
PAC
PAC
PAC
PAC
PAC
PAC
PAC
PAC
$0
Fab Code
The last 1K bit of the memory is a configuration zone with specific system data, access
rights, and read/write commands; it is divided into six subzones.
FAB, CMA, and PER are nonvolatile fuses blown at the end of each card life step. Once
blown, these EEPROM fuses can not be reset.
•
•
•
The fuses are read and written in the configuration zone using the address $80.
Table 3. Fuse Byte
Bit 7
Answer-to-Reset
AR1
The FAB fuse is blown by Atmel prior to shipping wafers to the card manufacturer.
The CMA fuse is blown by the card manufacturer prior to shipping cards to the
issuer.
The PER fuse is blown by the issuer prior to shipping cards to the end user.
$1
0
Secure Code/Write 7
Bit 6
Write 0
Write 1
Write 2
Write 3
Write 4
Write 5
Write 6
0
AR2
$2
Reserved
Reserved for Memory Test
Reserved for Future Use
Bit 5
0
AR3
Secret Seed (Gc)
Cryptogram (Ci)
$3
Identification Number (Nc)
Bit 4
0
AR4
PAC
PAC
PAC
PAC
PAC
PAC
PAC
PAC
$4
Bit 3
0
Card Manufacturer Code
Lot History Code
AR5
$5
Bit 2
PER
Read 0
Read 1
Read 2
Read 3
Read 4
Read 5
Read 6
Read 7
AR6
$6
CMA
Bit 1
AT88SC1608
AR7
$7
Bit 0
FAB
$00
$08
$10
$18
$20
$28
$30
$38
$40
$48
$50
$58
$60
$68
$70
$78
$80
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