6.3.1 Default Values

Microchip programs certain fields of the system zone 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 6-3 summarizes the device fields that Microchip programs at the factory. A brief description of each field follows.

Table 6-3. Factory-Programmed Fields

Device

ATR

FAB Code

Lot History Code

Write 7 Password (Secure Code)

AT88SC0104CA

3B B2 11 00 10 80 00 01

10 10

Variable, Locked

DD 42 97

AT88SC0204CA

3B B2 11 00 10 80 00 02

20 20

Variable, Locked

E5 47 47

AT88SC0404CA

3B B2 11 00 10 80 00 04

40 40

Variable, Locked

60 57 34

AT88SC0808CA

3B B2 11 00 10 80 00 08

80 60

Variable, Locked

22 E8 3F