296
8025I–AVR–02/09
ATmega48P/88P/168P/328P
Note: 1. The default value of BOOTSZ[1:0] results in maximum Boot Size. See ”Pin Name Mapping” on
page 300.
Note: 1. See Table 26-4 on page 320 for BODLEVEL Fuse decoding..
Table 25-5. Extended Fuse Byte for ATmega88P/168P
Extended Fuse Byte Bit No Description Default Value
–7– 1
–6– 1
–5– 1
–4– 1
–3– 1
BOOTSZ1 2
Select Boot Size
(see
Table 24-7 on page 289,
Table 24-10 on page 290 and
Table 24-13 on page 291
for details)
0 (programmed)
(1)
BOOTSZ0 1
Select Boot Size
(see
Table 24-7 on page 289,
Table 24-10 on page 290 and
Table 24-13 on page 291
for details)
0 (programmed)
(1)
BOOTRST 0 Select Reset Vector 1 (unprogrammed)
Table 25-6. Extended Fuse Byte for ATmega328P
Extended Fuse Byte Bit No Description Default Value
–7– 1
–6– 1
–5– 1
–4– 1
–3– 1
BODLEVEL2
(1)
2
Brown-out Detector trigger
level
1 (unprogrammed)
BODLEVEL1
(1)
1
Brown-out Detector trigger
level
1 (unprogrammed)
BODLEVEL0
(1)
0
Brown-out Detector trigger
level
1 (unprogrammed)