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299

8271D–AVR–05/11

ATmega48A/PA/88A/PA/168A/PA/328/P

Note: 1. The default value of BOOTSZ[1:0] results in maximum Boot Size. See ”Pin Name Mapping” on

page 304.

Note: 1. See Table 29-13 on page 324 for BODLEVEL Fuse decoding.

Table 28-5. Extended Fuse Byte for ATmega88A/88PA/168A/168PA

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 27-7 on page 292 and

Table 27-10 on page 293

for details)

0 (programmed)

(1)

BOOTSZ0 1

Select Boot Size

(see

Table 27-7 on page 292 and

Table 27-10 on page 293

for details)

0 (programmed)

(1)

BOOTRST 0 Select Reset Vector 1 (unprogrammed)

Table 28-6. Extended Fuse Byte for ATmega328/328P

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)

Table 28-7. Fuse High Byte for ATmega48A/48PA/88A/88PA/168A/168PA

High Fuse Byte Bit No Description Default Value

RSTDISBL

(1)

7 External Reset Disable 1 (unprogrammed)

DWEN 6 debugWIRE Enable 1 (unprogrammed)

SPIEN

(2)

Enable Serial Program and Data

Downloading

0 (programmed, SPI

programming enabled)

WDTON

(3)

4 Watchdog Timer Always On 1 (unprogrammed)

Brand	Atmel
Model	ATmega328
Category	Microcontrollers
Language	English

Atmel ATmega328 User Manual

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Atmel ATmega328 Specifications

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