TYPE	DESCRIPTION
Category	Integrated Circuits (ICs)
	Embedded
	Microcontrollers
Mfr	Microchip Technology
Series	AVR® ATmega
Package	Tape & Reel (TR)
	Cut Tape (CT)
	Digi-Reel®
Product Status	Active
Core Processor	AVR
Core Size	8-Bit
Speed	16MHz
Connectivity	I²C, SPI, UART/USART
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	23
Program Memory Size	8KB (4K x 16)
Program Memory Type	FLASH
EEPROM Size	512 x 8
RAM Size	1K x 8
Voltage - Supply (Vcc/Vdd)	2.7V ~ 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	ATMEGA8

Features of ATmega8A-AUR

• High-performance, Low-power Microchip AVR® 8-bit Microcontroller

• Advanced RISC Architecture

- 130 Powerful Instructions – Most Single-clock Cycle Execution

- 32 x 8 General Purpose Working Registers

- Fully Static Operation

- Up to 16MIPS Throughput at 16MHz

- On-chip 2-cycle Multiplier

• High Endurance Non-volatile Memory segments

- 8KBytes of In-System Self-programmable Flash program memory

- 512Bytes EEPROM

- 1KByte 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

• Microchip QTouch® library support

- Capacitive touch buttons, sliders and wheels

- Microchip QTouch and QMatrix™ acquisition

- Up to 64 sense channels

Applications of ATmega8A-AUR

• Peripheral Features

- Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode

- One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode

- Real Time Counter with Separate Oscillator

- Three PWM Channels

- 8-channel ADC in TQFP and VQFN package

• Eight Channels 10-bit Accuracy

- 6-channel ADC in PDIP package

• Six Channels 10-bit Accuracy

- Byte-oriented Two-wire Serial Interface

- Programmable Serial USART

- Master/Slave SPI Serial Interface

- Programmable Watchdog Timer with Separate On-chip Oscillator

- On-chip Analog Comparator

• Special Microcontroller Features

- Power-on Reset and Programmable Brown-out Detection

- Internal Calibrated RC 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-lead PDIP, 32-lead TQFP, and 32-pad VQFN

• Operating Voltages

- 2.7 - 5.5V

- 0 - 16MHz

• Power Consumption at 4MHz, 3V, 25°C

- Active: 3.6mA

- Idle Mode: 1.0mA

- Power-down Mode: 0.5µA

Environmental & Export Classifications of ATmega8A-AUR.

ATTRIBUTE	DESCRIPTION
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.31.0001

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