ATMEGA328PB-AN

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ATMEGA328PB-AN

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IC MCU 8BIT 32KB FLASH 32TQFP

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Specifications

Attribute Value
Package Tray
Series AVR® ATmega, Functional Safety (FuSa)
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 20MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 27
ProgramMemorySize 32KB (16K x 16)
ProgramMemoryType FLASH
EEPROMSize 1K x 8
RAMSize 2K x 8
Voltage-Supply(Vcc/Vdd) 1.8V ~ 5.5V
DataConverters A/D 8x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 105°C (TA)
MountingType Surface Mount
Package/Case 32-TQFP

Overview

Description

The ATMEGA328PB-AN is an 8-bit microcontroller from Microchip Technology, part of the AVR family known for its high performance and low power consumption. It features a RISC architecture with 32 general-purpose working registers, providing efficient instruction execution. The microcontroller operates at speeds up to 20 MHz and includes 32KB of In-System Programmable Flash, 1KB EEPROM, and 2KB SRAM, catering to a wide range of applications.
Key features include 23 programmable I/O lines, two 8-bit Timer/Counters, one 16-bit Timer/Counter, a 10-bit ADC, and several communication interfaces such as USART, SPI, and I2C, enhancing its versatility. The ATMEGA328PB-AN also supports a wide voltage range of 1.8V to 5.5V, making it suitable for battery-operated devices.
It is commonly used in applications like embedded systems, robotics, and IoT devices. Its compact size and robust feature set make it a popular choice for developers looking for a reliable, cost-effective microcontroller solution.

Equivalent

The ATmega328PB-AN is an 8-bit microcontroller from Microchip Technology. Equivalent products include the ATmega328P, ATmega168, and ATmega88, which are similar in terms of architecture and functionality but may differ in memory size and peripherals. Additionally, the PIC16F877A from Microchip is an alternative, though with different architecture. Always verify pin compatibility and specific feature requirements when considering alternatives.

Features

The ATMEGA328PB-AN is a microcontroller from Microchip Technology, featuring an 8-bit AVR RISC architecture. Key features include:
1. Processor Core: 8-bit AVR with 32KB of In-System Programmable Flash memory.
2. Memory: 2KB SRAM and 1KB EEPROM.
3. Operating Voltage: 1.8V to 5.5V.
4. I/O Ports: 23 programmable I/O lines.
5. Timers: Two 8-bit and one 16-bit Timer/Counter with separate prescalers and capture modes.
6. Communication: Includes USART, SPI, and I2C interfaces.
7. ADC: 10-bit ADC with 16 channels.
8. PWM: 6 PWM channels.
9. Watchdog Timer: With a separate on-chip oscillator.
10. Interrupts: External and pin change interrupts.
11. Power Management: Multiple sleep modes, including Power-Down and Power-Save.
12. Temperature Range: Industrial (-40°C to 85°C).
13. Package Options: Available in various packages, including TQFP and QFN.
These features make it suitable for a wide range of applications from consumer electronics to industrial automation.

Pinout

The ATmega328PB-AN is a microcontroller from Microchip Technology, featuring 32 pins. It is part of the AVR family and is known for its enhanced features compared to the ATmega328P.
Key functions and pin configuration include:
- Power Supply: VCC and GND pins for the power supply.
- Ports: Multiple I/O ports (Port B, Port C, and Port D) that can be configured for digital input/output.
- Analog Inputs: 8-channel 10-bit ADC.
- PWM Outputs: Six PWM channels for tasks like motor control.
- Communication Interfaces:
- USART for serial communication.
- SPI for full-duplex synchronous serial communication.
- I2C (TWI) for communication between chips.
- Timers/Counters: Three timers (one 8-bit and two 16-bit).
- External Interrupts: Two external interrupt pins.
- Other Features:
- Built-in oscillator.
- Watchdog timer for system reliability.
- Programmable serial USART, SPI, and I2C interfaces.
This microcontroller is commonly used in applications requiring low power consumption and versatility, such as embedded systems and Arduino platforms.

Manufacturer

The ATMEGA328PB-AN is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. It is a semiconductor company that designs and manufactures a broad spectrum of products used in a wide range of applications, including automotive, industrial, computing, consumer, and aerospace and defense. Founded in 1989 and headquartered in Chandler, Arizona, Microchip Technology serves customers globally, offering integrated solutions that help reduce risk and lower total system costs. The company is known for its emphasis on quality, reliability, and performance, often catering to both small-scale and large-scale production requirements.

Application

The ATMEGA328PB-AN is a versatile microcontroller used in various applications, including embedded systems, home automation, and the Internet of Things (IoT). It is commonly used in consumer electronics, for example in smart home devices, wearables, and remote controls. In industrial automation, it is employed for motor control, sensors, and communication interfaces. The microcontroller is also popular in educational projects and prototyping due to its compatibility with Arduino platforms. Additionally, it finds use in automotive systems for monitoring and control functions. Its low power consumption and numerous peripherals make it suitable for portable and battery-operated devices.

Package

The ATMEGA328PB-AN is a microcontroller from Microchip Technology, packaged in a TQFP (Thin Quad Flat Pack) form. Specifically, it is a 32-pin TQFP, which is a surface-mount package type. This package supports a compact design, suitable for applications with space constraints.

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