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
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Terminations :
- 32
- Frequency :
- 20MHz
- Instruction Set Architecture :
- RISC
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Pin Count :
- 32
- Power Supplies :
- 2/5 V
- Number of I2C Channels :
- 1
- Low Power Mode :
- yes
- Mounting Type :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of External Interrupts :
- 2
- Memory Size :
- 32kB
- Core Processor :
- AVR
- Mount :
- Surface Mount
- Typical Operating Supply Voltage :
- 5.5 (Maximum) V
- Manuf. code :
- MCP
- Supply Current-Max :
- 200 mA
- RoHS Status :
- ROHS3 Compliant
- EEPROM Size :
- 1K x 8
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Terminal Position :
- QUAD
- Qualification :
- -
- Format :
- FIXED POINT
- Published :
- 1997
- Package Type :
- TQFP
- Base Product Number :
- ATmega328
- Product Category :
- 8-bit Microcontrollers - MCU
- RAM (words) :
- 2048
- Number of Timers/Counters :
- 3
- On Chip Program ROM Width :
- 8
- Number of Pins :
- 32
- Factory Lead Time :
- 6 Weeks
- Supply Voltage-Min (Vsup) :
- 4.5V
- Type :
- ATMEGA328P-AUR
- Brand :
- Microchip Technology / Atmel
- Program Memory Type :
- Flash
- Interface :
- 2-Wire, I2C, SPI, UART, USART
- RoHS :
- Details
- Contact Plating :
- Tin
- Oscillator Type :
- Internal
- Number of UART Channels :
- 1
- Interface Type :
- I2C, SPI, USART
- ROM (words) :
- 16384
- REACH SVHC :
- No SVHC
- Terminal Finish :
- Matte Tin (Sn)
- Product Status :
- Active
- Operating Temperature :
- -40°C~85°C TA
- Qualification Status :
- Not Qualified
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Speed :
- 20MHz
- Minimum Operating Temperature :
- -40 °C
- Terminal Form :
- Gull wing
- CPU Family :
- AVR RISC
- Number of Terminals :
- 32
- Reach Compliance Code :
- Compliant
- Number of ADC Channels :
- 8
- MSL :
- MSL 3 - 168 hours
- Number of I/Os :
- 23 I/O
- Manufacturer :
- Microchip Technology
- Peak Reflow Temperature (Cel) :
- 260
- Number of I/O :
- 23
- Manufacturer Package Identifier :
- 32-A
- Product :
- MCU
- Pbfree Code :
- yes
- Data Bus Width :
- 8B
- Supply Voltage :
- 5V
- Terminal Pitch :
- 0.8 mm
- Seated Height-Max :
- 1.2 mm
- Base Part Number :
- ATmega328P
- Lead Free :
- Lead Free
- Height :
- 1.2mm
- On Chip Data RAM Width :
- 8
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- PWM Channels :
- yes
- Mounting Style :
- SMD/SMT
- Interfaces :
- SPI/TWI/USART
- Data Converter :
- A/D 8x10b
- Package / Case :
- 32-TQFP
- Enclosure :
- TQFP 32 (7x7)
- Supplier Device Package :
- 32-TQFP (7x7)
- Max. operating temperature :
- +85°C
- Product Type :
- 8-bit Microcontrollers - MCU
- Number of I/O Lines :
- 23
- Integrated Cache :
- No
- Boundary Scan :
- No
- Length :
- 7mm
- Series :
- AVR® ATmega
- Supply Voltage-Max (Vsup) :
- 5.5V
- Connectivity :
- I2C, SPI, UART/USART
- Additional Feature :
- ALSO OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ AND 1.8 V MINIMUM SUPPLY AT 4 MHZ
- Data Converters :
- A/D 8x10b
- ROM Programmability :
- Flash
- Tradename :
- AVR
- JESD-30 Code :
- S-PQFP-G32
- Family Name :
- ATMEGA
- Packaging :
- Tape and Reel (TR)
- DAC Channels :
- No
- Surface Mount :
- yes
- Width :
- 7.1mm
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- Package Shape :
- Square
- Watchdog Timer :
- yes
- RAM Size :
- 2K x 8
- Number of SPI Channels :
- 2
- Program Memory Size :
- 32KB 16K x 16
- Device Core :
- AVR
- Bit Size :
- 8
- Maximum Operating Temperature :
- +85 °C
- JESD-609 Code :
- e3
- Number of Timers :
- 3
- DMA Channels :
- No
- Temperature Grade :
- Industrial
- Has ADC :
- yes
- Core Size :
- 8-Bit
- 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.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















