ATTINY26L8SU SL383 Atmel, ATTINY26L8SU SL383 Datasheet - Page 109
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ATTINY26L8SU SL383
Manufacturer Part Number
ATTINY26L8SU SL383
Description
MCU 8-Bit ATtiny AVR RISC 2KB Flash 3.3V/5V 20-Pin SOIC T/R
Manufacturer
Atmel
Datasheet
1.ATTINY26L8PU.pdf
(185 pages)
- Current page: 109 of 185
- Download datasheet (3Mb)
Memory
Programming
Program and Data
Memory Lock Bits
1477J–AVR–06/07
The ATtiny26 provides two Lock bits which can be left unprogrammed (“1”) or can be
programmed (“0”) to obtain the additional features listed in Table 49. The Lock bits can
only be erased to “1” with the Chip Erase command.
Table 48. Lock Bit Byte
Note:
Table 49. Lock Bit Protection Modes
Notes:
Lock Bit Byte
LB2
LB1
LB Mode
1
2
3
Memory Lock Bits
1. “1” means unprogrammed, “0” means programmed
1. Program the Fuse bits before programming the Lock bits.
2. “1” means unprogrammed, “0” means programmed
LB2
1
1
0
(2)
(1)
LB1
Bit No
1
0
0
(2)
7
6
5
4
3
2
1
0
Protection Type
No memory lock features enabled.
Further programming of the Flash and EEPROM is
disabled in parallel and serial programming mode. The
Fuse bits are locked in both serial and parallel
programming mode.
Further programming and verification of the Flash and
EEPROM is disabled in parallel and serial programming
mode. The Fuse bits are locked in both serial and parallel
programming mode.
Description
–
–
–
–
–
–
Lock bit
Lock bit
(1)
(1)
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
ATtiny26(L)
109
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