AT88SC0104C datasheet(19/58 Pages) ATMEL

19 / 58 page

5210B–SMIC–11/08

AT88SC0104/0204/0404/0808/1616/3216/6416/12816/25616C

5.3.2

Answer To Reset (ATR)

This is an 8 byte wide register with content that Atmel defines. This register is read/write acces-

sible prior to blowing the FAB fuse, but becomes read-only after blowing the fuse.

5.3.3

Fab Code

This field is a 16-bit wide register with content that Atmel defines. This field is read/write accessi-

ble prior to blowing the FAB fuse, but becomes read-only after blowing the fuse.

5.3.4

Memory Test Zone (MTZ)

This field is a 16-bit wide register with open read/write access privileges at all times for testing

basic communication to the device. This field is free of all security constraints at all times.

5.3.5

Card Manufacturer Code

This field is a 32-bit wide register with read/write access privileges for the customer to define its

content. The content of this field becomes read-only after blowing the PER fuse.

5.3.6

Lot History Code

This field is a 64-bit wide register with content that Atmel defines. This field is read-only.

5.3.7

Issuer Code

This field is a 128-bit wide register with read/write access privileges for customer to define its

content. The content of this field becomes read-only after blowing the PER fuse.

5.3.8

Device Configuration Register (DCR)

This 8-bit register allows selection of the following device configuration options (active low). The

values programmed have an immediate affect on the logic of the device. The default value is “1”

for each bit.

Table 5-2.

Factory Programmed Fields

Device

ATR

Fab Code

Lot History Code

Write 7 Password

(Secure Code)

AT88SC0104C

3B B2 11 00 10 80 00 01

10 10

Variable, locked

DD 42 97

AT88SC0204C

3B B2 11 00 10 80 00 02

20 20

Variable, locked

E5 47 47

AT88SC0404C

3B B2 11 00 10 80 00 04

40 40

Variable, locked

60 57 34

AT88SC0808C

3B B2 11 00 10 80 00 08

80 60

Variable, locked

22 E8 3F

AT88SC1616C

3B B2 11 00 10 80 00 16

16 80

Variable, locked

20 0C E0

AT88SC3216C

3B B3 11 00 00 00 00 32

32 10

Variable, locked

CB 28 50

AT88SC6416C

3B B3 11 00 00 00 00 64

64 40

Variable, locked

F7 62 0B

AT88SC12816C

3B B3 11 00 00 00 01 28

28 60

Variable, locked

22 EF 67

AT88SC25616C

3B B3 11 00 00 00 02 56

58 60

Variable, locked

17 C3 3A

Table 5-3.

Bit 7

Bit 6

Bit 5

Bit4

Bit 3

Bit 2

Bit 1

Bit 0

SME

UCR

UAT

ETA

CS3

CS2

CS1

CS0

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