ATMEGA328P-AU
- Mfr.Part #
- ATMEGA328P-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 32TQFP
- Stock
- 17,232
- In Stock :
- 17,232
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Minimum Operating Temperature :
- -40 °C
- Has ADC :
- yes
- RoHS :
- Details
- Supply Current-Max :
- 200 mA
- Oscillator Type :
- Internal
- Surface Mount :
- yes
- Mounting Type :
- Surface Mount
- Program Memory Size :
- 32KB 16K x 16
- Connectivity :
- I2C, SPI, UART/USART
- Data Converters :
- A/D 8x10b
- Maximum Operating Temperature :
- +85 °C
- Watchdog Timer :
- yes
- Product Category :
- 8-bit Microcontrollers - MCU
- Height :
- 1.2mm
- Pbfree Code :
- yes
- On Chip Data RAM Width :
- 8
- Brand :
- Microchip Technology / Atmel
- Qualification :
- -
- Program Memory Type :
- Flash
- Series :
- AVR® ATmega
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Supply Voltage :
- 5V
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Package / Case :
- 32-TQFP
- Operating Temperature :
- -40°C~85°C TA
- Tradename :
- AVR
- Format :
- FIXED POINT
- Number of ADC Channels :
- 8
- Bit Size :
- 8
- Lead Free :
- Lead Free
- DMA Channels :
- No
- Packaging :
- Tape and Reel (TR)
- Package Shape :
- Square
- Mount :
- Surface Mount
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Factory Lead Time :
- 6 Weeks
- DAC Channels :
- No
- Number of SPI Channels :
- 2
- Manuf. code :
- MCP
- Supply Voltage-Max (Vsup) :
- 5.5V
- Manufacturer :
- Microchip Technology
- Speed :
- 20MHz
- RoHS Status :
- ROHS3 Compliant
- Instruction Set Architecture :
- RISC
- Max. operating temperature :
- +85°C
- Product :
- MCU
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- Contact Plating :
- Tin
- Number of I/O Lines :
- 23
- Interface :
- 2-Wire, I2C, SPI, UART, USART
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- Low Power Mode :
- yes
- Reach Compliance Code :
- Compliant
- Integrated Cache :
- No
- Number of I2C Channels :
- 1
- Device Core :
- AVR
- Package Type :
- TQFP
- Number of UART Channels :
- 1
- Memory Size :
- 32kB
- Base Product Number :
- ATmega328
- Terminal Finish :
- Matte Tin (Sn)
- Published :
- 1997
- Length :
- 7mm
- Power Supplies :
- 2/5 V
- JESD-30 Code :
- S-PQFP-G32
- Number of I/Os :
- 23 I/O
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Frequency :
- 20MHz
- Number of Timers :
- 3
- Product Status :
- Active
- Interfaces :
- SPI/TWI/USART
- Family Name :
- ATMEGA
- Manufacturer Package Identifier :
- 32-A
- RAM (words) :
- 2048
- Type :
- ATMEGA328P-AUR
- Supply Voltage-Min (Vsup) :
- 4.5V
- Pin Count :
- 32
- On Chip Program ROM Width :
- 8
- Number of Terminals :
- 32
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Number of External Interrupts :
- 2
- Width :
- 7.1mm
- Number of Timers/Counters :
- 3
- Number of Terminations :
- 32
- Core Processor :
- AVR
- Product Type :
- 8-bit Microcontrollers - MCU
- Terminal Position :
- QUAD
- Temperature Grade :
- Industrial
- REACH SVHC :
- No SVHC
- PWM Channels :
- yes
- Mounting Style :
- SMD/SMT
- Terminal Form :
- Gull wing
- Interface Type :
- I2C, SPI, USART
- Peak Reflow Temperature (Cel) :
- 260
- MSL :
- MSL 3 - 168 hours
- Data Bus Width :
- 8B
- Seated Height-Max :
- 1.2 mm
- Core Size :
- 8-Bit
- ROM (words) :
- 16384
- Number of Pins :
- 32
- Base Part Number :
- ATmega328P
- JESD-609 Code :
- e3
- Boundary Scan :
- No
- RAM Size :
- 2K x 8
- EEPROM Size :
- 1K x 8
- Number of I/O :
- 23
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Data Converter :
- A/D 8x10b
- Enclosure :
- TQFP 32 (7x7)
- Qualification Status :
- Not Qualified
- CPU Family :
- AVR RISC
- Terminal Pitch :
- 0.8 mm
- Supplier Device Package :
- 32-TQFP (7x7)
- ROM Programmability :
- Flash
- Datasheets
- ATMEGA328P-AU
ATMEGA328P-AU Documents

Microcontrollers Microchip Technology ATMEGA328P-AU Overview
The Microcontrollers Microchip Technology ATMEGA328P-AU is a versatile and high-performance microcontroller unit (MCU) from Microchip Technology, designed to cater to sophisticated embedded applications. This microcontroller integrates a powerful 8-bit AVR processor with a 32KB in-system programmable flash memory. The compact 32TQFP package ensures a minimal footprint while still providing robust capabilities for complex digital control systems. With its rich set of features and low power consumption, the ATMEGA328P-AU is ideal for designers looking to optimize functionality and efficiency in their projects.
ATMEGA328P-AU Features
- 8-bit AVR Microcontroller
- 32KB ISP flash memory
- 2KB SRAM and 1KB EEPROM
- Up to 20 MHz Clock Speed
- Low Power Consumption
- Advanced RISC Architecture
- 32-TQFP package for reduced space requirement
ATMEGA328P-AU Applications
- Consumer Electronics: Used in devices like smart watches, cameras, and gaming consoles to manage operational functions efficiently and reliably.
- Home Automation Systems: Powers smart devices in home automation, including thermostats and lighting systems, providing reliable performance and connectivity.
- Industrial Control: Integral in controlling sensors and actuators in industrial environments, optimizing processes through high reliability and precision.
- Automotive Applications: Suitable for managing automotive embedded systems that require robust operation under varying environmental conditions.
- Healthcare Devices: Employs in medical monitoring devices, where precision and reliability are paramount for patient care and data accuracy.
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