ATmega328P datasheet(297/448 Pages) ATMEL

297 / 448 page

297

8161D–AVR–10/09

ATmega48PA/88PA/168PA/328P

Notes:

1. See ”Alternate Functions of Port C” on page 85 for description of RSTDISBL Fuse.

2. The SPIEN Fuse is not accessible in serial programming mode.

3. See ”WDTCSR – Watchdog Timer Control Register” on page 54 for details.

4. See Table 28-4 on page 318 for BODLEVEL Fuse decoding.

Notes:

1. See ”Alternate Functions of Port C” on page 85 for description of RSTDISBL Fuse.

2. The SPIEN Fuse is not accessible in serial programming mode.

3. See ”WDTCSR – Watchdog Timer Control Register” on page 54 for details.

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

page 300.

WDTON(3)

Watchdog Timer Always On

1 (unprogrammed)

EESAVE

EEPROM memory is

preserved through the Chip

Erase

1 (unprogrammed), EEPROM

not reserved

BODLEVEL2(4)

Brown-out Detector trigger

level

1 (unprogrammed)

BODLEVEL1(4)

Brown-out Detector trigger

level

1 (unprogrammed)

BODLEVEL0(4)

Brown-out Detector trigger

level

1 (unprogrammed)

Table 27-8.

Fuse High Byte for ATmega328P

High Fuse Byte

Bit No

Description

Default Value

RSTDISBL(1)

External Reset Disable

1 (unprogrammed)

DWEN

debugWIRE Enable

1 (unprogrammed)

SPIEN(2)

Enable Serial Program and

Data Downloading

0 (programmed, SPI

programming enabled)

WDTON(3)

Watchdog Timer Always On

1 (unprogrammed)

EESAVE

EEPROM memory is

preserved through the Chip

Erase

1 (unprogrammed), EEPROM

not reserved

BOOTSZ1

Select Boot Size

(see

Table 26-7 on page 289,

Table 26-10 on page 290 and

Table 26-13 on page 291

for details)

0 (programmed)(4)

BOOTSZ0

Select Boot Size

(see

Table 26-7 on page 289,

Table 26-10 on page 290 and

Table 26-13 on page 291

for details)

0 (programmed)(4)

BOOTRST

Select Reset Vector

1 (unprogrammed)

Table 27-7.

Fuse High Byte for ATmega48PA/88PA/168PA (Continued)

High Fuse Byte

Bit No

Description

Default Value

ATmega328P датащи(PDF) 297 Page - ATMEL Corporation

ATmega328P датащи(HTML) 297 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL