ATMEGA328-AU
- Mfr.Part #
- ATMEGA328-AU
- Manufacturer
- Atmel (Microchip Technology)
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 32TQFP
- Stock
- 100,799
- In Stock :
- 100,799
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- * Quantity:
- Manufacturer :
- Atmel (Microchip Technology)
- Product Category :
- Microcontrollers
- DAC Channels :
- No
- Package :
- Tray
- Number of ADC Channels :
- 8
- PWM Channels :
- yes
- RAM (bytes) :
- 2048
- Number of I2C Channels :
- 1
- Connectivity :
- I2C, SPI, UART/USART
- Interface :
- 2-Wire, I2C, SPI, UART, USART
- Number of I/O :
- 23
- Package Type :
- TQFP
- Tradename :
- AVR
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of PWM Channels :
- 6
- Brand :
- Microchip Technology / Atmel
- Minimum Operating Temperature :
- -40 °C
- Width :
- 7.1mm
- Number of I/O Lines :
- 23
- EEPROM Size :
- 1K x 8
- Mount :
- Surface Mount
- Terminal Position :
- QUAD
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Frequency :
- 20MHz
- Terminal Finish :
- Matte Tin (Sn)
- REACH SVHC :
- No SVHC
- Supply Voltage-Min (Vsup) :
- 4.5V
- Device Core :
- AVR
- Oscillator Type :
- Internal
- Base Part Number :
- ATmega328
- ROM Programmability :
- Flash
- Typical Operating Supply Voltage :
- 1.8 → 5.5 V
- Number of Pins :
- 32
- Package Shape :
- Square
- Peak Reflow Temperature (Cel) :
- 260
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Radiation Hardening :
- No
- Core Processor :
- AVR
- Reach Compliance Code :
- Compliant
- Mounting Type :
- Surface Mount
- Terminal Form :
- Gull wing
- Base Product Number :
- ATmega328
- Interface Type :
- I2C, SPI, USART
- Data Converters :
- A/D 8x10b
- Series :
- AVR® ATmega
- Has ADC :
- yes
- Height :
- 1.2mm
- DMA Channels :
- No
- Lead Free :
- Lead Free
- Maximum Operating Temperature :
- +85 °C
- Package / Case :
- 32-TQFP
- Data Bus Width :
- 8B
- Pbfree Code :
- yes
- RoHS Status :
- ROHS3 Compliant
- Product :
- MCU
- JESD-609 Code :
- e3
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- Power Supplies :
- 2/5V
- Number of I/Os :
- 23 I/O
- Product Category :
- 8-bit Microcontrollers - MCU
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- MSL :
- MSL 3 - 168 hours
- Supplier Device Package :
- 32-TQFP (7x7)
- Instruction Set Architecture :
- RISC
- RAM Size :
- 2K x 8
- Qualification :
- -
- RoHS :
- Details
- Published :
- 1997
- Data Converter :
- A/D 8x10b
- Terminal Pitch :
- 0.8 mm
- JESD-30 Code :
- S-PQFP-G32
- Operating Temperature :
- -40°C~85°C TA
- Memory Size :
- 32kB
- CPU Family :
- AVR RISC
- Pin Count :
- 32
- Family Name :
- ATMEGA
- Seated Height-Max :
- 1.2 mm
- Product Status :
- Active
- Program Memory Type :
- Flash
- Manufacturer :
- Microchip
- Program Memory Size :
- 32KB 16K x 16
- Qualification Status :
- Not Qualified
- Supply Current-Max :
- 12 mA
- Supply Voltage :
- 5V
- Watchdog Timer :
- yes
- Number of Terminations :
- 32
- Product Type :
- 8-bit Microcontrollers - MCU
- Speed :
- 20MHz
- Contact Plating :
- Tin
- Core Size :
- 8-Bit
- Number of Timers/Counters :
- 3
- Mounting Style :
- SMD/SMT
- Length :
- 7.1mm
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Factory Lead Time :
- 7 Weeks
- Bit Size :
- 8
- Packaging :
- Tray
- Surface Mount :
- yes
- Supply Voltage-Max (Vsup) :
- 5.5V
- Number of Terminals :
- 32
- ROM (words) :
- 16384
- Interfaces :
- SPI/USART
- Temperature Grade :
- Industrial
- Datasheets
- ATMEGA328-AU
ATMEGA328-AU Documents

Microcontrollers Atmel (Microchip Technology) ATMEGA328-AU Overview
The ATMEGA328-AU from Atmel (Microchip Technology) is a highly capable microcontroller that forms the backbone of many advanced electronic systems. This 8-bit MCU is powered by a robust architecture that is both versatile and efficient, encapsulated in a 32TQFP package. Ideal for applications requiring complex control systems within a compact footprint, the ATMEGA328-AU features 32KB of flash memory, providing ample space for program storage and facilitating rapid data processing and task execution. The Microcontrollers Atmel (Microchip Technology) ATMEGA328-AU is specifically designed to meet the rigorous demands of modern electronics design, offering reliability and performance that industrial and commercial clients rely on for their bulk purchasing needs.
ATMEGA328-AU Features
The ATMEGA328-AU microcontroller is equipped with several features that make it a top choice for designers and engineers. Key features include an 8-bit processor for efficient data handling, 32KB of flash memory for program storage, and a range of peripherals such as USART, SPI, and I2C interfaces for enhanced connectivity. Additionally, its low-power consumption and support for multiple power-saving modes allow for deployment in energy-sensitive applications without sacrificing performance.
ATMEGA328-AU Applications
- Consumer Electronics: Used in devices like smart watches and gaming consoles where efficient power management and processing speed are crucial.
- Automotive: Integrates into vehicle dashboard systems for controlling lighting, sensors, and other subsystems, leveraging its robust I/O capabilities.
- Industrial Automation: Serves as the control center in automation equipment, managing operations with precision and reliability.
- Home Automation Systems: Powers devices such as smart thermostats and security systems, utilizing its connectivity features for seamless device integration.
- DIY Projects: Popular in the maker community for building custom electronics due to its versatility and ease of use.
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