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

Microcontrollers Microchip Technology ATMEGA328-AU Overview
The ATMEGA328-AU from Microchip Technology is a high-performance Microcontroller unit (MCU) that seamlessly integrates advanced features into a 32TQFP package. This MCU is designed to deliver exceptional power and flexibility, making it ideal for applications requiring complex algorithms and multitasking. As a cornerstone of the Microcontrollers category, the Microchip Technology ATMEGA328-AU is engineered to support a wide range of applications from industrial automation to sophisticated consumer electronics, offering a robust platform for design engineers to develop intricate and reliable products.
ATMEGA328-AU Features
This microcontroller boasts an 8-bit processing core with a sizeable 32KB of flash memory, providing ample space for complex application code. Key features include multiple programmable serial USARTs, an efficient SPI interface, and an I2C-compatible Two-Wire Interface. Enhanced power-saving modes ensure that it is suitable for low power applications, while robust 10-bit analog-to-digital converters and multiple channel capabilities enhance its versatility in sensor-driven tasks.
ATMEGA328-AU Applications
- Consumer Electronics: Utilized in devices such as smart home gadgets and portable electronics where its ability to handle multiple tasks ensures efficient operation and connectivity.
- Automotive: Deployed in automotive subsystems for sensor management, contributing to the enhancement of safety features and overall vehicle performance monitoring.
- Industrial Automation: Integral in control systems where precise data handling and sensor integration are necessary for operational efficiency and machine-to-machine communication.
- Medical Devices: Plays a critical role in handheld medical instruments, where its reliability and accuracy are vital for patient monitoring and diagnostics.
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