Product Features
? High Performance, Low Power AVR? 8-Bit Microcontroller Family
? Advanced RISC Architecture
- 131 Powerful Instructions – Most Single Clock Cycle Execution
- 32 x 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
- 4/8/16/32KBytes of In-System Self-Programmable Flash program memory
- 256/512/512/1KBytes EEPROM
- 512/1K/1K/2KBytes Internal SRAM
- Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
- Data retention: 20 years at 85°C/100 years at 25°C(1)
- 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
? QTouch? library support
- 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 VQFN package
? Temperature Measurement
- 6-channel 10-bit ADC in SPDIP Package
? Temperature Measurement
- 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
- Power-on Reset and Programmable Brown-out Detection
- Internal Calibrated Oscillator
- External and Internal Interrupt Sources
- Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
? I/O and Packages
- 23 Programmable I/O Lines
- 28-pin SPDIP, 32-lead TQFP, 28-pad VQFN and 32-pad VQFN
? Operating Voltage:
- 1.8 - 5.5V
? Temperature Range:
- -40°C to 85°C
? Speed Grade:
- 0 - 4MHz@1.8 - 5.5V, 0 - 10MHz@2.7 - 5.5.V, 0 - 20MHz @ 4.5 - 5.5V
? Power Consumption at 1MHz, 1.8V, 25°C
- Active Mode: 0.2mA
- Power-down Mode: 0.1μA
? Power-save Mode: 0.75μA (Including 32kHz RTC)
Specifications
| Attribute | Attribute value |
| ANSM-Part# | ANSM-ATMEGA168A-AUR |
| Category | Integrated Circuits (ICs) |
| Embedded | |
| Microcontrollers | |
| Mfr | Microchip Technology |
| Series | AVR? ATmega |
| Package | Tape & Reel (TR) |
| Cut Tape (CT) | |
| Digi-Reel? | |
| Product Status | Active |
| DigiKey Programmable | Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| 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) | 1.8V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 32-TQFP |
| Supplier Device Package | 32-TQFP (7x7) |
| Base Product Number | ATMEGA168 |
Actual product photos

Product Data Book:



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