ATMEGA328-AUR
- Mfr.Part #
- ATMEGA328-AUR
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 32TQFP
- Stock
- 6,735
- In Stock :
- 6,735
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Terminals :
- 32
- Has ADC :
- yes
- JESD-30 Code :
- S-PQFP-G32
- Product Type :
- 8-bit Microcontrollers - MCU
- DMA Channels :
- No
- Family Name :
- ATMEGA
- Program Memory Type :
- Flash
- RAM Size :
- 2K x 8
- JESD-609 Code :
- e3
- Power Supplies :
- 2/5V
- Peak Reflow Temperature (Cel) :
- 260
- Instruction Set Architecture :
- RISC
- Number of I/O Lines :
- 23
- REACH SVHC :
- No SVHC
- Interface :
- 2-Wire, I2C, SPI, UART, USART
- Connectivity :
- I2C, SPI, UART/USART
- MSL :
- MSL 3 - 168 hours
- Pbfree Code :
- yes
- Pin Count :
- 32
- Length :
- 7mm
- Package / Case :
- 32-TQFP
- Temperature Grade :
- Industrial
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- RAM (bytes) :
- 2048
- Core Size :
- 8-Bit
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- ROM (words) :
- 16384
- Package Type :
- TQFP
- Mounting Type :
- Surface Mount
- Terminal Pitch :
- 0.8mm
- ROM Programmability :
- Flash
- Qualification :
- -
- Number of UART Channels :
- 1
- Speed :
- 20MHz
- Terminal Finish :
- Matte Tin (Sn)
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Tradename :
- AVR
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of I2C Channels :
- 1
- Reach Compliance Code :
- Compliant
- Packaging :
- Tape and Reel (TR)
- Program Memory Size :
- 32KB 16K x 16
- Data Converters :
- A/D 8x10b
- Watchdog Timer :
- yes
- Base Part Number :
- ATmega328
- Series :
- AVR® ATmega
- Number of Terminations :
- 32
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Minimum Operating Temperature :
- -40 °C
- Terminal Form :
- Gull wing
- Core Processor :
- AVR
- Number of ADC Channels :
- 8 Channel
- Seated Height-Max :
- 1.2 mm
- Supply Current-Max :
- 12 mA
- PWM Channels :
- yes
- Operating Temperature :
- -40°C~85°C TA
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Frequency :
- 20MHz
- Manufacturer :
- Microchip
- Number of I/Os :
- 23 I/O
- Data Bus Width :
- 8B
- Number of Pins :
- 32
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Product Status :
- Active
- Bit Size :
- 8
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- Product Category :
- 8-bit Microcontrollers - MCU
- Width :
- 7.1mm
- Supply Voltage-Min (Vsup) :
- 4.5V
- EEPROM Size :
- 1K x 8
- Factory Lead Time :
- 6 Weeks
- DAC Channels :
- No
- Package Shape :
- Square
- Mount :
- Surface Mount
- RoHS Status :
- ROHS3 Compliant
- Height :
- 1.05mm
- CPU Family :
- AVR RISC
- Supply Voltage :
- 5V
- Number of SPI Channels :
- 2
- Surface Mount :
- yes
- Terminal Position :
- QUAD
- Oscillator Type :
- Internal
- Mounting Style :
- SMD/SMT
- Brand :
- Microchip Technology / Atmel
- Interfaces :
- SPI/TWI/USART
- Supplier Device Package :
- 32-TQFP (7x7)
- Memory Size :
- 8kB
- Number of I/O :
- 23
- Device Core :
- AVR
- Qualification Status :
- Not Qualified
- Maximum Operating Temperature :
- +85 °C
- Supply Voltage-Max (Vsup) :
- 5.5V
- Product :
- MCU
- Data Converter :
- A/D 8x10b
- Interface Type :
- I2C, SPI, USART
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Base Product Number :
- ATmega328
- Published :
- 2013
- Height Seated (Max) :
- 1.2mm
- Contact Plating :
- Tin
- Number of Timers/Counters :
- 3
- RoHS :
- Details
- Datasheets
- ATMEGA328-AUR
ATMEGA328-AUR Documents

Microcontrollers Microchip Technology ATMEGA328-AUR Overview
The ATMEGA328-AUR by Microchip Technology is a robust microcontroller unit (MCU) designed to facilitate sophisticated control systems and dynamic processing capabilities in a compact package. Ideal for high-demand applications, this MCU features a high-performance 8-bit AVR RISC-based architecture. Its 32KB of in-system programmable flash makes it perfect for applications that require space efficiency without compromising on reliability and performance. The ATMEGA328-AUR operates across a wide voltage range and offers various power-saving modes, making it an excellent choice for energy-efficient designs.
ATMEGA328-AUR Features
The ATMEGA328-AUR comes packed with features that enhance its functionality and reliability for demanding applications. It supports a clock speed up to 20 MHz and includes an analog comparator, six-channel 10-bit A/D converter, and programmable watchdog timer with internal oscillator. Furthermore, it provides serial programmable USART, master/slave SPI serial interface, and a two-wire serial interface (I²C), facilitating comprehensive communication solutions.
ATMEGA328-AUR Applications
- Consumer Electronics: Utilized in devices like smart watches, gaming consoles, and home automation systems, the ATMEGA328-AUR manages multiple inputs and outputs efficiently, ensuring responsive user interfaces and reliable device operations.
- Automotive Systems: In automotive applications, this MCU controls engine management systems, enhancing fuel efficiency and reducing emissions, by providing precise sensor readings and real-time data processing.
- Industrial Automation: The ATMEGA328-AUR drives automation equipment, offering robust control and monitoring of systems in manufacturing lines, which helps in streamlining operations and improving safety.
- Medical Devices: Employed in medical monitoring systems, the ATMEGA328-AUR ensures accurate data collection and processing essential for patient care devices, contributing to reliability and efficiency in medical applications.
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