Description
The ATMEGA328PB-ANR is a high-performance 8-bit AVR microcontroller from Microchip’s ATmega328 family, designed for embedded systems, industrial automation, IoT devices, robotics, and consumer electronics. It features 32KB Flash Program Memory, 2KB SRAM, multiple communication interfaces, and operates at frequencies up to 20MHz, delivering reliable performance with low power consumption.
The microcontroller integrates 27 programmable I/O pins, an 8-channel 10-bit ADC, timers/counters, watchdog timer, PWM outputs, and supports I²C, SPI, and USART communication protocols. It is fully compatible with the AVR architecture, making it an excellent choice for both new product development and upgrades to existing AVR-based designs.
Housed in a compact TQFP-32 Surface Mount package, the ATMEGA328PB-ANR is ideal for space-constrained PCB designs while offering excellent processing capability and peripheral integration for a wide range of embedded applications.
Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability. For complete electrical characteristics, programming information, and application circuits, please refer to the datasheet available in the Attachment section.
Features
- High-performance 8-bit AVR RISC architecture
- 32KB Flash Program Memory
- 2KB SRAM memory
- 20MHz maximum operating frequency
- 27 programmable GPIO pins
- 8-channel 10-bit Analog-to-Digital Converter (ADC)
- I²C, SPI, and USART communication interfaces
- Multiple timers/counters with PWM outputs
- Low-power operating modes
- Watchdog Timer for enhanced system reliability
- Wide operating voltage range
- Industrial operating temperature range
- Compact TQFP-32 SMD package
- Optimized for embedded and industrial applications
Benefits
- Ideal for Arduino-compatible and AVR-based embedded projects
- Provides reliable performance for industrial applications
- Supports multiple communication protocols for flexible system integration
- Offers low power consumption for battery-operated devices
- Enables precise analog signal acquisition using the integrated ADC
- Suitable for compact PCB designs with surface mount packaging
- Reduces external component requirements through integrated peripherals
- Delivers dependable long-term operation in demanding environments
Applications
- Embedded System Development
- Industrial Automation
- Arduino-Compatible Projects
- IoT Devices
- Robotics
- Home Automation Systems
- Sensor Interface Circuits
- Motor Control Applications
- Data Acquisition Systems
- Consumer Electronics
- Electronic Instrumentation
- Medical Electronics
- Communication Interface Circuits
- Battery-Powered Devices
- Smart Control Systems
- Educational Development Kits
- Electronic Prototyping
- Industrial Embedded Controllers
- Digital Control Systems
- Custom Embedded Product Development
Package Includes
- 1 x ATMEGA328PB-ANR 8-Bit AVR Microcontroller IC, 32KB Flash, 20MHz, TQFP-32 SMD Package
Specifications
| Parameter | Specification |
|---|---|
| Product Name | ATMEGA328PB-ANR |
| Microcontroller Family | AVR Family ATmega328 Series |
| Architecture | 8-Bit AVR RISC |
| Maximum Clock Frequency | 20 MHz |
| Program Memory | 32 KB Flash |
| SRAM | 2 KB |
| GPIO Pins | 27 |
| ADC Channels | 8 |
| ADC Resolution | 10-Bit |
| Communication Interface | I²C, SPI, USART |
| Operating Voltage | 1.8V to 5.5V |
| Operating Temperature | -40°C to +105°C |
| Package / Case | TQFP-32 |
| Mounting Type | Surface Mount (SMD/SMT) |
| Shipping Weight | 0.002 kg |
| Shipping Dimensions | 3 × 3 × 2 cm |
