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ATMEGA324A-AU
+BOMIC MCU 8BIT 32KB FLASH 44TQFP
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ManufacturerAtmel
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Mfr. Part #ATMEGA324A-AU
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Datasheet ATMEGA324A-AU DataSheet
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Package TQFP-44
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In Stock6235
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Specifications
| Attribute | Value |
| Package | Bulk |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 32 |
| 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 ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 44-TQFP |
Overview
Description
The ATMEGA324A-AU operates at a maximum frequency of 20 MHz and offers various peripherals, including USART, SPI, and I2C interfaces, making it suitable for communication-intensive applications. It also features a 10-bit ADC, multiple timers, and PWM channels, which are essential for signal processing and control applications. The microcontroller supports a wide range of power-saving modes, providing flexibility for energy-efficient designs. The device is housed in a TQFP-44 package, making it suitable for projects with space constraints. Overall, the ATMEGA324A-AU is ideal for embedded systems requiring a balance of performance, low power consumption, and ample memory.
Equivalent
1. ATmega324P - A variant with similar features but may differ slightly in power consumption and other specs.
2. ATmega328P - Another popular ATmega AVR microcontroller with similar functionalities.
3. ATmega644 - Offers more memory while maintaining similar features.
4. PIC18F4550 - A Microchip alternative with comparable I/O functions and performance.
The exact equivalent may depend on specific application requirements.
Features
Additionally, the ATMEGA324A-AU has a 10-bit ADC with 8 channels for analog-to-digital conversion, which is useful for sensor interfacing. It features multiple timers, including 8-bit and 16-bit timers, which are essential for timing and waveform generation tasks. The device operates on a voltage range of 1.8V to 5.5V and is available in a TQFP-44 package. It also includes power-saving modes to enhance energy efficiency. The microcontroller's robust feature set makes it suitable for embedded applications in consumer electronics, industrial control systems, and more.
Pinout
Key functions and features include:
1. CPU: 8-bit AVR architecture.
2. Flash Memory: 32 KB, suitable for storing application code.
3. SRAM: 2 KB, for variable storage.
4. EEPROM: 1 KB, for non-volatile data storage.
5. I/O Ports: 32 general-purpose I/O pins for interfacing with external devices.
6. Timers: Three Timer/Counters with compare modes for precise timing operations.
7. USARTs: Two serial interfaces for communication.
8. SPI Interface: For high-speed synchronous data transfer.
9. I2C Compatible TWI: For interfacing with peripherals.
10. ADC: 8-channel 10-bit ADC for analog signal conversion.
11. PWM Channels: Six PWM channels for motor control or signal modulation.
12. Watchdog Timer: For system reset in case of software fault.
13. Interrupts: External and internal interrupt sources for responsive performance.
This microcontroller is commonly used in embedded systems for automation, control, and data processing applications.
Manufacturer
Application
1. Embedded Systems: Ideal for small-scale embedded applications such as consumer electronics and home automation devices.
2. Industrial Control: Used in industrial automation for managing sensors, actuators, and motors.
3. Automotive Systems: Suitable for automotive controls and infotainment systems.
4. Communication Devices: Employed in networking and communication equipment for protocol handling.
5. Robotics: Utilized in robotics for sensor interfacing and control logic.
6. IoT Devices: Supports Internet of Things applications with its low-power consumption and connectivity features.
Its flexibility, low power consumption, and rich feature set make it suitable for a wide range of electronic products.