ATMEGA168-20AUR Atmel, ATMEGA168-20AUR Datasheet - Page 366

• Manufacturer Part Number: ATMEGA168-20AUR
• Description: MCU AVR 16KB FLASH 20MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168-20AUR

• 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
• Package: 32TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 23
• Interface Type: SPI/TWI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• 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

35.14 Rev. 2545F-05/05
35.15 Rev. 2545E-02/05
35.16 Rev. 2545D-07/04
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ATmega48/88/168
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Table notes in
Updated instructions used with WDTCSR in relevant code examples.
Updated cross-reference in
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MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame Package
QFN/MLF”.
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305and
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Moved “TIMSK2 – Timer/Counter2 Interrupt Mask Register” on page17.11.6 and
“TIFR2 – Timer/Counter2 Interrupt Flag Register” on page17.11.7 to
“Register Description” on page
Updated equation in
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Updated Ordering Information for
Updated
Updated equation in
Table 26-11 on page
Section 3. “Resources” on page 7
“Pin Change Interrupt Timing” on page 65
“Page Size” on page
Section 8.6 “Calibrated Internal RC Oscillator” on page
Table 27-16 on page 299
Section 27.8.3 “Serial Programming Instruction set” on page
Section 34. “Errata” on page
“EECR – The EEPROM Control Register” on page
“Calibrated Internal RC Oscillator” on page
“External Clock” on page
“8-bit Timer/Counter Block Diagram” on page
“Enter Programming Mode” on page
“DC Characteristics” on page
“Ordering Information” on page
“Errata ATmega88” on page 359
“System Clock Prescaler” on page
“Serial Programming Algorithm” on page
“Errata ATmega88” on page 359
“SPMCSR – Store Program Memory Control and Status Register” on page
Table 8-5 on page
Table 28-3 on page
Section 28.2 “DC Characteristics” on page 302
“Bit Rate Generator Unit” on page
“Bit Rate Generator Unit” on page
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“Electrical Interconnection” on page
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Table 28-4 on page
“ATmega168” on page
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“Errata ATmega168” on page
“Errata ATmega168” on page
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Table 26-9 on page
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2545S–AVR–07/10
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