ATMEGA168-20AU Atmel, ATMEGA168-20AU Datasheet - Page 30
![IC AVR MCU 16K 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA168-20AU
Manufacturer Part Number
ATMEGA168-20AU
Description
IC AVR MCU 16K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATAVRTS2080B.pdf
(378 pages)
2.ATMEGA48-20AU.pdf
(35 pages)
3.ATMEGA168-20AU.pdf
(359 pages)
Specifications of ATMEGA168-20AU
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-TQFP, 32-VQFP
Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
2-Wire, SPI, USART, Serial
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA168-20AU
Manufacturer:
Atmel
Quantity:
132 113
Part Number:
ATMEGA168-20AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA168-20AU/TR
Manufacturer:
Atmel
Quantity:
16 000
9.7
9.8
9.9
9.10
9.11
9.12
2545SS–AVR–07/10
Rev. 2545M-09/07
Rev. 2545L-08/07
Rev. 2545K-04/07
Rev. 2545J-12/06
Rev. 2545I-11/06
Rev. 2545H-10/06
5.
6.
7.
1.
2.
3.
1.
2.
3.
4.
1.
2.
3.
1.
2.
3.
4.
1.
2.
3.
1.
2.
3.
4.
Added section
Updated Features in
Fixed typos in
Updated typos.
Updated
Updated
Updated
Added
Updated
“Preliminary“ removed through the datasheet.
Updated
Updated code example in
Updated
Updated Note in
Table 8-10 on page
Updated
Updated“Errata ATmega48” on page 357
Changed description in
Updated
Updated
Updated
Updated
Updated
Updated
Updated
“Data Retention” on page
“Alternate Functions of Port B” on page
“Pin Thresholds and Hysteresis” on page
“ADC Characteristics” on page
“Features” on page
“System and Reset Characteristics” on page
“Interrupts” on page
“Features” on page
Table 1-1 on page
“Ordering Information” on page
“Packaging Information” on page
“Features” on page
“Features” on page
“Calibrated Internal RC Oscillator” on page
“System Control and Reset” on page
Table 28-3 on page
“” on page
Table 8-3 on page
33.
“2-wire Serial Interface” on page
“Analog-to-Digital Converter” on page
306.
“MCUCR – MCU Control Register” on page
2.
1.
1.
1.
1.
55.
7.
306.
29,
Table 8-5 on page
310.
349.
.
353.
44.
77.
329.
ATmega48/88/168
32.
208.
306.
30,
243.
Table 8-8 on page
63.
33,
30