Atmel ATmega48PV User Manual

297
8025I–AVR–02/09
ATmega48P/88P/168P/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 26-4 on page 320 for BODLEVEL Fuse decoding.
Notes: 1. See ”Alternate Functions of Port C” on page 85 for description of RSTDISBL Fuse.
Table 25-7. Fuse High Byte for ATmega48P/88P/168P
High Fuse Byte Bit No Description Default Value
RSTDISBL
(1)
7 External Reset Disable 1 (unprogrammed)
DWEN 6 debugWIRE Enable 1 (unprogrammed)
SPIEN
(2)
5
Enable Serial Program and
Data Downloading
0 (programmed, SPI
programming enabled)
WDTON
(3)
4 Watchdog Timer Always On 1 (unprogrammed)
EESAVE 3
EEPROM memory is
preserved through the Chip
Erase
1 (unprogrammed), EEPROM
not reserved
BODLEVEL2
(4)
2
Brown-out Detector trigger
level
1 (unprogrammed)
BODLEVEL1
(4)
1
Brown-out Detector trigger
level
1 (unprogrammed)
BODLEVEL0
(4)
0
Brown-out Detector trigger
level
1 (unprogrammed)
Table 25-8. Fuse High Byte for ATmega328P
High Fuse Byte Bit No Description Default Value
RSTDISBL
(1)
7 External Reset Disable 1 (unprogrammed)
DWEN 6 debugWIRE Enable 1 (unprogrammed)
SPIEN
(2)
5
Enable Serial Program and
Data Downloading
0 (programmed, SPI
programming enabled)
WDTON
(3)
4 Watchdog Timer Always On 1 (unprogrammed)
EESAVE 3
EEPROM memory is
preserved through the Chip
Erase
1 (unprogrammed), EEPROM
not reserved
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)
(4)
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)
(4)
BOOTRST 0 Select Reset Vector 1 (unprogrammed)

Atmel ATmega48PV Specifications

General

Brand	Atmel
Model	ATmega48PV
Category	Microcontrollers
Language	English