ATMEGA168P-20MQ Atmel, ATMEGA168P-20MQ Datasheet - Page 293
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ATMEGA168P-20MQ
Manufacturer Part Number
ATMEGA168P-20MQ
Description
MCU AVR 16K FLASH 20MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA168P-20MQ
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
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8025L–AVR–7/10
Table 27-5.
Note:
Table 27-6.
Notes:
Extended Fuse Byte
–
–
–
–
–
BOOTSZ1
BOOTSZ0
BOOTRST
High Fuse Byte
RSTDISBL
DWEN
SPIEN
WDTON
EESAVE
BODLEVEL2
BODLEVEL1
BODLEVEL0
(2)
1. The default value of BOOTSZ[1:0] results in maximum Boot Size. See
1. See
2. The SPIEN Fuse is not accessible in serial programming mode.
3. See
4. See
(3)
(1)
page
(4)
(4)
(4)
Extended Fuse Byte for ATmega88P/168P
Fuse High Byte for ATmega48P/88P/168P
”Alternate Functions of Port C” on page 83
”WDTCSR – Watchdog Timer Control Register” on page 55
Table 28-4 on page 314
296.
Bit No
Bit No
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
for BODLEVEL Fuse decoding.
Description
–
–
–
–
–
Select Boot Size
(see
Table 26-7 on page 287
Table 26-10 on page 288
for details)
Select Boot Size
(see
Table 26-7 on page 287
Table 26-10 on page 288
for details)
Select Reset Vector
Description
External Reset Disable
debugWIRE Enable
Enable Serial Program and
Data Downloading
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
ATmega48P/88P/168P
for description of RSTDISBL Fuse.
and
and
Default Value
1
1
1
1
1
0 (programmed)
0 (programmed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed, SPI
programming enabled)
1 (unprogrammed)
1 (unprogrammed), EEPROM
not reserved
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
for details.
”Pin Name Mapping” on
(1)
(1)
293
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