ATMEGA8A-AU
- Mfr.Part #
- ATMEGA8A-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 32TQFP
- Stock
- 295,312
- In Stock :
- 295,312
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Terminal Finish :
- Matte Tin (Sn)
- Terminal Form :
- Gull wing
- Package Shape :
- Square
- Peak Reflow Temperature (Cel) :
- 260
- Number of PWM Channels :
- 3
- Schedule B :
- 8542310000
- Speed :
- 16MHz
- Number of SPI Channels :
- 1
- Base Product Number :
- ATMEGA8
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Brand :
- Microchip Technology / Atmel
- Tradename :
- AVR
- Package Type :
- TQFP
- Interface :
- I2C, SPI, UART, USART
- Height :
- 1.05mm
- Data Converter :
- A/D 8x10b
- Core Size :
- 8-Bit
- Mounting Type :
- Surface Mount
- JESD-609 Code :
- e3
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Watchdog Timer :
- yes
- Data Bus Width :
- 8B
- Contact Plating :
- Tin
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Pin Count :
- 32
- Voltage - Supply (Vcc/Vdd) :
- 2.7V~5.5V
- Product Type :
- 8-bit Microcontrollers - MCU
- Pbfree Code :
- yes
- Number of I/O :
- 23
- Family Name :
- ATMEGA
- Operating Temperature :
- -40°C~85°C TA
- DAC Channels :
- No
- Bit Size :
- 8
- JESD-30 Code :
- S-PQFP-G32
- Number of Timers/Counters :
- 3 Timer
- Terminal Position :
- QUAD
- Supply Voltage :
- 5V
- Lead Free :
- Lead Free
- Interface Type :
- SPI, TWI, USART
- Surface Mount :
- yes
- Base Part Number :
- ATMEGA8A
- REACH SVHC :
- No SVHC
- Supplier Device Package :
- 32-TQFP (7x7)
- Packaging :
- Tray
- Enclosure :
- TQFP 32 (7x7)
- Min Operating Temperature :
- -40 °C
- Number of Pins :
- 32
- Oscillator Type :
- Internal
- Seated Height-Max :
- 1.2 mm
- Program Memory Size :
- 8KB 4K x 16
- Device Core :
- AVR
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- Number of Terminals :
- 32
- Series :
- AVR® ATmega
- Max. operating temperature :
- +85°C
- Temperature Grade :
- Industrial
- RoHS :
- Details
- DMA Channels :
- No
- Min Supply Voltage :
- 2.7 V
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Reach Compliance Code :
- Compliant
- Width :
- 7mm
- PWM Channels :
- yes
- Memory Size :
- 8kB
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Package / Case :
- 32-TQFP
- MSL :
- MSL 3 - 168 hours
- Manuf. code :
- MCP
- Number of I2C Channels :
- 1
- Instruction Set Architecture :
- RISC
- Interfaces :
- SPI/TWI/USART
- Length :
- 7mm
- Package :
- Tray
- RoHS Status :
- ROHS3 Compliant
- Product :
- MCU
- Supply Current-Max :
- 15 mA
- Maximum Operating Temperature :
- +85 °C
- Power Supplies :
- 3/5 V
- Type :
- ATMEGA8A-AU
- Core Processor :
- AVR
- Max Supply Voltage :
- 5.5 V
- Has ADC :
- yes
- Mounting Style :
- SMD/SMT
- Qualification :
- -
- Product Status :
- Active
- Max Frequency :
- 16 MHz
- ROM (words) :
- 4096
- Frequency :
- 16MHz
- Number of Terminations :
- 32
- Data Converters :
- A/D 8x10b
- Connectivity :
- I2C, SPI, UART/USART
- RAM Size :
- 1K x 8
- Published :
- 2009
- Additional Feature :
- OPERATES AT 2.7 V MINIMUM SUPPLY AT 8 MHZ
- RAM (bytes) :
- 1024
- Factory Lead Time :
- 6 Weeks
- ROM Programmability :
- Flash
- Max Operating Temperature :
- 85 °C
- Supply Voltage-Min (Vsup) :
- 4.5V
- Manufacturer :
- Microchip Technology
- Mount :
- Surface Mount
- CPU Family :
- AVR RISC
- Supply Voltage-Max (Vsup) :
- 5.5V
- Terminal Pitch :
- 0.8 mm
- Program Memory Type :
- Flash
- Number of I/Os :
- 23 I/O
- Qualification Status :
- Not Qualified
- Minimum Operating Temperature :
- -40 °C
- Number of ADC Channels :
- 8
- Typical Operating Supply Voltage :
- 2.7 → 5.5 V
- Number of Programmable I/O :
- 23
- Number of I/O Lines :
- 23
- Memory Type :
- Flash
- EEPROM Size :
- 512 x 8
- Core Architecture :
- AVR
- Product Category :
- 8-bit Microcontrollers - MCU
- Radiation Hardening :
- No
- Datasheets
- ATMEGA8A-AU
ATMEGA8A-AU Documents

Microcontrollers Microchip Technology ATMEGA8A-AU Overview
The Microcontrollers Microchip Technology ATMEGA8A-AU is a high-performance, low-power 8-bit AVR RISC-based microcontroller combining 8KB ISP flash memory with read-while-write capabilities, 512B EEPROM, 1KB SRAM, and a clock speed up to 16 MHz. Designed for efficiency and versatility, this microcontroller from Microchip Technology offers robust functionality with enhanced peripheral integration, making it an ideal solution for a variety of embedded applications that require optimal processing power with minimal power consumption.
ATMEGA8A-AU Features
The ATMEGA8A-AU microcontroller is equipped with numerous features that make it particularly suited for advanced control systems. Key features include:
- 32 programmable I/O lines
- Three flexible Timer/Counters with compare modes
- Internal and external interrupts
- Serial programmable USART
- Master/Slave SPI serial interface
- Byte-oriented 2-wire Serial Interface (TWI)
- Programmable Watchdog Timer with Separate On-chip Oscillator
- On-chip Analog Comparator
- Up to 16Mhz clock speed
ATMEGA8A-AU Applications
- Consumer Electronics: Employed in devices like smart home appliances and entertainment systems, where its processing power and I/O capabilities can manage multiple tasks efficiently.
- Automotive: Used within embedded control systems in cars, particularly for engine management systems and peripheral monitoring, due to its robust serial communication capabilities.
- Industrial Automation: Integral in automation controllers, where precision and the ability to handle multiple control processes simultaneously are critical.
- Medical Devices: Found in small-scale medical monitoring devices, utilizing its low power consumption and high reliability in critical patient care scenarios.
- Communication Systems: Applied in communication devices requiring efficient data handling and real-time adjustments via its USART and SPI features.
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