We can read the bin code of AVR MCU ATMEGA168-20AU, please view below chip features for your reference:


· High performance, low power Atmel® AVR® 8-bit microcontroller

· Advanced RISC architecture

– 131 powerful instructions – most single clock cycle execution

– 32 × 8 general purpose working registers

– Fully static operation

– Up to 20 MIPS throughput at 20MHz

On-chip 2-cycle multiplier


High endurance non-volatile memory segments

– 4/8/16 Kbytes of in-system self-programmable flash program memory

– 256/512/512 bytes EEPROM

– 512/1K/1Kbytes internal SRAM

– Write/erase cyles: 10,000 flash/100,000 EEPROM

– Data retention: 20 years at 85°C/100 years at 25°C()

Optional boot code section with independent lock bits

In-system programming by on-chip boot program

True read-while-write operation

– Programming lock for software security

– Capacitive touch buttons, sliders and wheels

QTouch and QMatrix acquisition

Up to 64 sense channels

Peripheral features

– Two 8-bit timer/counters with separate prescaler and compare mode

– One 16-bit timer/counter with separate prescaler, compare mode, and capture mode

– Real time counter with separate oscillator

Six PWM channels

– 8-channel 10-bit ADC in TQFP and QFN/MLF package

– 6-channel 10-bit ADC in PDIP Package

– Programmable serial USART

– Master/slave SPI serial interface

– Byte-oriented 2-wire serial interface (Philips I2C compatible)

– Programmable watchdog timer with separate on-chip oscillator

– On-chip analog comparator

Interrupt and wake-up on pin change

Special microcontroller features

– DebugWIRE on-chip debug system

– Power-on reset and programmable brown-out detection

– Internal calibrated oscillator

– External and internal interrupt sources

– Five sleep modes: Idle, ADC noise reduction, power-save, power-down, and standby

I/O and packages

– 23 programmable I/O lines

– 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF

Operating voltage:

– 1.8V – 5.5V for Atmel ATmega48V/88V/168V

– 2.7V – 5.5V for Atmel ATmega48/88/168

Temperature range:

– -40°C to 85°C

Speed grade:

– ATmega48V/88V/168V: 0 – 4MHz @ 1.8V – 5.5V, 0 – 10MHz @ 2.7V – 5.5V

– ATmega48/88/168: 0 – 10MHz @ 2.7V – 5.5V, 0 – 20MHz @ 4.5V – 5.5V

Low power consumption

– Active mode:

250µA at 1MHz, 1.8V

15µA at 32kHz, 1.8V (including oscillator)

– Power-down mode:

0.1µA at 1.8V

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