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ATMEGA324PB-AN
+BOMIC MCU 8BIT 32KB FLASH 44TQFP
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ManufacturerMicrochip Technology
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Mfr. Part #ATMEGA324PB-AN
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Datasheet ATMEGA324PB-AN DataSheet
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Package TQFP-44
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In Stock2693
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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 | 39 |
| 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 | 44-TQFP |
Overview
Description
Key highlights:
- 40-pin PDIP package (AN suffix indicates industrial temp range: -40°C to +105°C).
- Peripherals: 4x USART, SPI, I²C, 10-bit ADC, PWM, and 4x 16-bit timers.
- Enhanced features vs. standard ATmega324PA (e.g., extra USART, more GPIOs).
- Low-power modes for energy-efficient designs.
Ideal for industrial control, automation, and embedded systems requiring robust performance in harsh environments.
For details, refer to the [datasheet](https://www.microchip.com/en-us/product/ATmega324PB).
Equivalent
- ATMEGA324PA (similar but lacks some features like the "B" variant's extra peripherals).
- ATMEGA644PB (higher flash, similar features).
- ATMEGA164PB (lower flash, same core).
- ATMEGA328PB (smaller but compatible peripherals).
For direct replacements, check ATMEGA324PB-MU (QFN package) or ATMEGA324PB-AU (TQFP). Always verify pin compatibility and feature requirements.
*(Exact matches depend on needed specs like memory, peripherals, and package.)*
Features
- Core: 8-bit AVR, up to 20 MHz clock speed.
- Memory: 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
- I/O Pins: 44 pins (32 programmable I/O).
- Peripherals:
- 4 USARTs, 2 SPIs, 1 I²C (TWI).
- 16-channel 10-bit ADC.
- 4 timers/counters (including two 8-bit and two 16-bit).
- PWM outputs (up to 8 channels).
- Special Features:
- Event System for peripheral communication without CPU.
- Self-programming capability (bootloader support).
- Hardware-based QTouch® for capacitive touch sensing.
- Packaging: 44-pin TQFP.
- Operating Voltage: 1.8V–5.5V.
Ideal for embedded control, IoT, and industrial applications.
Pinout
Pin Count:
- 44 pins (TQFP package).
Key Functions:
- 32 KB Flash, 2 KB SRAM, 1 KB EEPROM.
- 4x USART, 2x SPI, 1x I²C for serial communication.
- 8x 10-bit ADC channels.
- 4x PWM (8-bit & 16-bit).
- 32 general-purpose I/O pins.
- External interrupts, timers/counters (4x 8-bit, 1x 16-bit).
- Operating voltage: 1.8V–5.5V.
It’s ideal for embedded control, IoT, and industrial applications.
Manufacturer
Microchip, founded in 1989 and headquartered in Chandler, Arizona, is known for its PIC and AVR microcontroller families, including the ATmega series. The company serves industries like automotive, industrial, consumer electronics, and IoT with reliable, low-power embedded solutions.
The ATMEGA324PB-AN is part of Microchip’s 8-bit AVR microcontroller lineup, offering enhanced peripherals and connectivity for embedded applications.
Application
- Industrial Control: Automation, sensors, and motor control.
- Consumer Electronics: Home appliances, remote controls, and smart devices.
- Automotive: Dashboard systems, lighting, and basic control modules.
- IoT & Embedded Systems: Low-power sensor nodes and data logging.
- Robotics: Simple motor drivers and control circuits.
- Medical Devices: Basic monitoring equipment.
Its features (32KB Flash, 2KB RAM, multiple peripherals) make it suitable for cost-sensitive, low-to-mid complexity designs.
