5.3.1 Default Values

Microchip programs certain fields of the configuration memory at the factory. The customer may elect to change the contents of all of these fields except for the lot history code field, which is permanently locked. Microchip programs the remainder of the fields, including all configuration memory and user zones, to ones prior to releasing the device from the factory. Table 5-3 summarizes the device fields Microchip programs at the factory. A brief description of each field follows.

Table 5-3. 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