ATMEGA168A-MU Atmel, ATMEGA168A-MU Datasheet - Page 298
ATMEGA168A-MU
Manufacturer Part Number
ATMEGA168A-MU
Description
IC MCU AVR 16K FLASH 32QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA168A-MU
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)
1.8 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
Controller Family/series
Atmega
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
TWI, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA168A-MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8271C–AVR–08/10
Table 27-5.
Note:
Table 27-6.
Note:
Table 27-7.
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
Extended Fuse Byte
–
–
–
–
–
BOOTSZ1
BOOTSZ0
BOOTRST
Extended Fuse Byte
–
–
–
–
–
BODLEVEL2
BODLEVEL1
BODLEVEL0
High Fuse Byte
RSTDISBL
DWEN
SPIEN
(2)
1. The default value of BOOTSZ[1:0] results in maximum Boot Size. See
1. See
(1)
page
(1)
(1)
(1)
Extended Fuse Byte for ATmega88A/88PA/168A/168PA
Extended Fuse Byte for ATmega328/328P
Fuse High Byte for ATmega48A/48PA/88A/88PA/168A/168PA
Table 28-13 on page 323
303.
Bit No
Bit No
Bit No
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
Description
–
–
–
–
–
Select Boot Size
(see
Table 26-7 on page 291
Table 26-10 on page 292
for details)
Select Boot Size
(see
Table 26-7 on page 291
Table 26-10 on page 292
for details)
Select Reset Vector
Description
–
–
–
–
–
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
for BODLEVEL Fuse decoding.
and
and
Default Value
1
1
1
1
1
0 (programmed)
0 (programmed)
1 (unprogrammed)
Default Value
1
1
1
1
1
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed, SPI
programming enabled)
”Pin Name Mapping” on
(1)
(1)
298
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