ATMEGA48PA-AN Atmel, ATMEGA48PA-AN Datasheet - Page 297
ATMEGA48PA-AN
Manufacturer Part Number
ATMEGA48PA-AN
Description
MCU AVR 4KB FLASH 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA48PA-AN.pdf
(448 pages)
Specifications of ATMEGA48PA-AN
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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8161D–AVR–10/09
Table 27-7.
Notes:
Table 27-8.
Notes:
High Fuse Byte
WDTON
EESAVE
BODLEVEL2
BODLEVEL1
BODLEVEL0
High Fuse Byte
RSTDISBL
DWEN
SPIEN
WDTON
EESAVE
BOOTSZ1
BOOTSZ0
BOOTRST
(2)
1. See
2. The SPIEN Fuse is not accessible in serial programming mode.
3. See
4. See
1. See
2. The SPIEN Fuse is not accessible in serial programming mode.
3. See
4. The default value of BOOTSZ[1:0] results in maximum Boot Size. See
(3)
(3)
(1)
page
(4)
(4)
(4)
Fuse High Byte for ATmega48PA/88PA/168PA (Continued)
Fuse High Byte for ATmega328P
”Alternate Functions of Port C” on page 85
”WDTCSR – Watchdog Timer Control Register” on page 54
Table 28-4 on page 318
”Alternate Functions of Port C” on page 85
”WDTCSR – Watchdog Timer Control Register” on page 54
300.
Bit No
Bit No
4
3
2
1
0
7
6
5
4
3
2
1
0
ATmega48PA/88PA/168PA/328P
for BODLEVEL Fuse decoding.
Description
Watchdog Timer Always On
EEPROM memory is
preserved through the Chip
Erase
Brown-out Detector trigger
level
Brown-out Detector trigger
level
Brown-out Detector trigger
level
Description
External Reset Disable
debugWIRE Enable
Enable Serial Program and
Data Downloading
Watchdog Timer Always On
EEPROM memory is
preserved through the Chip
Erase
Select Boot Size
(see
Table 26-7 on page
Table 26-10 on page 290
Table 26-13 on page 291
for details)
Select Boot Size
(see
Table 26-7 on page
Table 26-10 on page 290
Table 26-13 on page 291
for details)
Select Reset Vector
for description of RSTDISBL Fuse.
for description of RSTDISBL Fuse.
289,
289,
and
and
Default Value
1 (unprogrammed)
1 (unprogrammed), EEPROM
not reserved
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed, SPI
programming enabled)
1 (unprogrammed)
1 (unprogrammed), EEPROM
not reserved
0 (programmed)
0 (programmed)
1 (unprogrammed)
for details.
for details.
”Pin Name Mapping” on
(4)
(4)
297
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