Datasheet

24
AVR061
2525B–AVR–04/03
Lock Bits For explanation of the Lock bits, read the data sheet for the particular device. Unpro-
grammed bits should be set to “1”.
Notes: 1. See the AT89551 Data Sheet for more information.
2. See the AT89552 Data Sheet for more information.
Table 42. Lock Bits
Lock Bits Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
ATtiny11 1 1 1 1 1 LB2 LB1 1
ATtiny12 1 1 1 1 1 LB2 LB1 1
ATtiny15 1 1 1 1 1 LB2 LB1 1
ATtiny22 1 1 1 1 1 LB2 LB1 1
ATtiny26 1 1 1 1 1 LB2 LB1 1
ATtiny28 1 1 1 1 1 LB2 LB1 1
AT90S1200 1 1 1 1 1 LB1 LB2 1
AT90S2313 1 1 1 1 1 LB1 LB2 1
AT90S2323 1 1 1 1 1 LB2 LB1 1
AT90S2333 1 1 1 1 1 LB2 LB1 1
AT90S2343 1 1 1 1 1 LB2 LB1 1
AT90S4414 1 1 1 1 1 LB2 LB1 1
AT90S4433 1 1 1 1 1 LB2 LB1 1
AT90S4434 1 1 1 1 1 LB2 LB1 1
AT90S8515 1 1 1 1 1 LB2 LB1 1
AT90S8535 1 1 1 1 1 LB2 LB1 1
ATmega8 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega8515 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega8535 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega161 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega163 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega16 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega162 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega169 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega323 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega32 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega64 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
ATmega103 1 1 1 1 1 LB2 LB1 1
ATmega128 1 1 BLB12 BLB11 BLB02 BLB01 LB2 LB1
AT89551
(1)
–
AT89552
(2)
–
AT86RF401 1 1 1 1 1 LB2 LB1 1