ATMEGA328PB-AU
- Mfr.Part #
- ATMEGA328PB-AU
- Manufacturer
- Microchip Technology
- Package / Case
- 32-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 32KB FLASH 32TQFP
- Stock
- 7,595
- In Stock :
- 7,595
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Height Seated (Max) :
- 1.2mm
- Low Power Mode :
- yes
- Bit Size :
- 8
- Data Converters :
- A/D 8x10b
- Factory Lead Time :
- 22 Weeks
- Minimum Operating Temperature :
- -40 °C
- Product Status :
- Active
- Operating Temperature :
- -40°C~85°C TA
- Width :
- 7mm
- Brand :
- Microchip Technology / Atmel
- Product Category :
- 8-bit Microcontrollers - MCU
- Program Memory Size :
- 32KB 16K x 16
- Supplier Device Package :
- 32-TQFP (7x7)
- ROM (words) :
- 32000
- Number of External Interrupts :
- 2
- Integrated Cache :
- No
- Number of Terminals :
- 32
- Qualification :
- -
- Speed :
- 20MHz
- Peripherals :
- Brown-out Detect/Reset, POR, PWM, WDT
- Format :
- FIXED-POINT
- Tradename :
- AVR
- RoHS :
- Details
- ROM Programmability :
- Flash
- Mounting Type :
- Surface Mount
- Pbfree Code :
- yes
- Has ADC :
- yes
- Typical Operating Supply Voltage :
- 1.8 → 5.5 V
- Connectivity :
- I2C, SPI, UART/USART
- Data Rate :
- 15kbit/s
- RAM Size :
- 2K x 8
- EEPROM Size :
- 1K x 8
- Number of Terminations :
- 32
- Number of Pins :
- 32
- Interface :
- I2C, SPI, UART, USART
- DAC Resolution :
- No DAC
- Series :
- AVR® ATmega
- Instruction Set Architecture :
- RISC
- Program Memory Type :
- Flash
- Terminal Position :
- QUAD
- On Chip Program ROM Width :
- 8
- Family Name :
- ATMEGA
- DMA Channels :
- No
- Reach Compliance Code :
- Compliant
- Boundary Scan :
- No
- Terminal Pitch :
- 0.8mm
- Mount :
- Surface Mount
- Seated Height-Max :
- 1.2 mm
- Pin Count :
- 32
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Core Size :
- 8-Bit
- DAC Channels :
- No
- Packaging :
- Tray
- Base Part Number :
- ATMEGA328PB
- On Chip Data RAM Width :
- 8
- Device Core :
- AVR
- Temperature Grade :
- Industrial
- Frequency :
- 20MHz
- JESD-30 Code :
- S-PQFP-G32
- Oscillator Type :
- Internal
- Number of I/O :
- 27
- Subcategory :
- Microcontrollers - MCU
- Number of I/Os :
- 23 I/O
- Height :
- 1.05mm
- CPU Family :
- AVR RISC
- Voltage - Supply (Vcc/Vdd) :
- 1.8V~5.5V
- RoHS Status :
- ROHS3 Compliant
- MSL :
- -
- Terminal Form :
- Gull wing
- REACH SVHC :
- No SVHC
- Watchdog Timer :
- yes
- Maximum Operating Temperature :
- +85 °C
- Interfaces :
- I2C/SPI/USART
- Supply Voltage :
- 5V
- Length :
- 7mm
- PWM Channels :
- yes
- Number of ADC Channels :
- 8 Channel
- Number of UART Channels :
- 2
- Data Bus Width :
- 8bit
- RAM (bytes) :
- 2048
- Memory Size :
- 32kB
- Data Converter :
- A/D 8x10b
- Package Shape :
- Square
- Interface Type :
- 2-Wire, I2C, SPI, USART
- Operating Supply Voltage :
- 5V
- Base Product Number :
- ATmega328
- Package Type :
- TQFP
- Package :
- Tray
- Number of Timers/Counters :
- 5
- Screening Level :
- TS 16949
- Product Type :
- 8-bit Microcontrollers - MCU
- Manufacturer :
- Microchip
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Package / Case :
- 32-TQFP
- Surface Mount :
- yes
- Number of I/O Lines :
- 27
- Dimensions :
- 7.1 x 7.1 x 1.05mm
- Supply Current-Max :
- 9 mA
- Number of SPI Channels :
- 2
- Mounting Style :
- SMD/SMT
- Number of I2C Channels :
- 2
- Number of Ethernet Channels :
- 0
- Contact Plating :
- Tin
- Product :
- MCU
- Core Processor :
- AVR
- Published :
- 2015
- Datasheets
- ATMEGA328PB-AU
ATMEGA328PB-AU Documents

Microcontrollers Microchip Technology ATMEGA328PB-AU Overview
The ATMEGA328PB-AU, manufactured by Microchip Technology, is a pivotal component in the Microcontrollers category, designed to cater to advanced system management and smart connectivity. This 8-bit microcontroller combines high-performance, low-power AVR technology, making it ideal for a variety of demanding applications. It boasts a 32KB flash memory and operates efficiently within the 32TQFP package, ensuring robustness and reliability for scalable applications. The integration of advanced features in the ATMEGA328PB-AU, alongside its enhanced peripheral set, offers significant improvements over its predecessors, making it a key component in developing sophisticated electronic systems.
ATMEGA328PB-AU Features
The ATMEGA328PB-AU is equipped with numerous features that enhance its functionality and usability in complex electronic designs. These include up to 32KB ISP flash memory, a 10-bit ADC with 15 channels, and multiple communication peripherals (USART, SPI, and TWI). It supports up to 24 MHz operating frequency and includes a variety of power-saving modes, which are crucial for battery-operated devices. Additionally, the device features Extended Pin Functionality and a QTouch Peripheral Touch Controller, which allows for the incorporation of touch interfaces directly into applications.
ATMEGA328PB-AU Applications
- Consumer Electronics: Used in smart home devices such as thermostats and security systems, where its low power consumption and high performance are crucial.
- Automotive: Integrated into automotive systems for sensor management and onboard diagnostics to enhance vehicle efficiency and safety.
- Industrial Automation: Powers control systems, providing reliable operation in harsh environments and handling multiple control tasks efficiently.
- Wearable Technology: Serves as the core processing unit in wearables, optimizing power usage and managing data input from sensors.
- Healthcare Devices: Employed in medical monitoring systems, where precision and reliability are necessary for patient care.
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