ATMEGA168-20PU Atmel, ATMEGA168-20PU Datasheet - Page 33
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ATMEGA168-20PU
Manufacturer Part Number
ATMEGA168-20PU
Description
IC AVR MCU 16K 20MHZ 28DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATAVRTS2080B.pdf
(378 pages)
2.ATMEGA48-20AU.pdf
(35 pages)
3.ATMEGA88-20MU.pdf
(33 pages)
4.ATMEGA168-20AU.pdf
(359 pages)
Specifications of ATMEGA168-20PU
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 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
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
Through Hole
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, 6 Channel
A/d Inputs
6-Channel, 10-Bit
Cpu Speed
20 MIPS
Eeprom Memory
512 Bytes
Input Output
23
Interface
I2C/SPI/UART/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin PDIP
Programmable Memory
16K Bytes
Timers
2-8-bit, 1-16-bit
Voltage, Range
4.5-5.5 V
Controller Family/series
AVR MEGA
No. Of I/o's
23
Eeprom Memory Size
512Byte
Ram Memory Size
1KB
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - 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
Part Number:
ATMEGA168-20PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
9.18
2545SS–AVR–07/10
Rev. 2545B-01/04
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Added section
Added item 2 to 5 in
Updated C code examples containing old IAR syntax.
Added PDIP to “I/O and Packages”, updated “Speed Grade” and Power Consumption
Estimates in
Updated
value.
of the PRR bits to 2-wire, Timer/Counters, USART, Analog Comparator and ADC
sections.
Updated
Updated
Extra Compare Match Interrupt OCF2B added to features in section
Timer/Counter2 with PWM and Asynchronous Operation” on page 139
Updated
page 285 to 287 and
284. Fixed typo in
Updated whole
Renamed the following bits:
- SPMEN to SELFPRGEN
- PSR2 to PSRASY
- PSR10 to PSRSYNC
- Watchdog Reset to Watchdog System Reset
Updated BLBSET description in
Status Register” on page
“Watchdog Timer” on page
Figure 15-2 on page 129
Table 9-1 on page
“Stack Pointer” on page 12
35.“Features” on page
“Power Reduction Register” on page 40
“Typical Characteristics” on page
Table 12-1 on page
“Errata ATmega48” on page
Table 23-1 on page
282.
38,
Table 23-5 on page
“SPMCSR – Store Program Memory Control and
and
1.
48.
with RAMEND as recommended Stack Pointer
66.
Table 15-3 on page
248. Added note 2 to
314.
357.
258,
ATmega48/88/168
and a note regarding the use
Table 27-4
130.
Table 27-1 on page
to
Table 27-7
“8-bit
on
33