Microchip Technology

ATMEGA324A-AU  

Microcontrollers

The ATMEGA324A-AU is a microcontroller unit (MCU) manufactured by Microchip Technology. It belongs to the ATmega family of 8-bit AVR microcontrollers, which are widely used in various embedded systems and applications.

Description:

The ATMEGA324A-AU is a high-performance, low-power MCU featuring 32 KB of In-System Programmable Flash memory, 2 KB of In-System Programmable SRAM, and 1 KB of EEPROM. It operates at a maximum frequency of 20 MHz and is based on the AVR enhanced RISC architecture. The device is available in a 44-pin TQFP (Thin Quad Flat Package) package.

Features:

1. 32 KB of In-System Programmable Flash memory with read-while-write capability
2. 2 KB of In-System Programmable SRAM
3. 1 KB of EEPROM
4. 44 general-purpose I/O lines
5. 23 extended I/O lines on port A
6. 32-level priority interrupt structure with 16 priority levels
7. On-chip debug system with JTAG and Serial Wire Debug (SWD) interfaces
8. Two 16-bit timer/counters with input capture and compare modes
9. Two 8-bit timer/counters with input capture and compare modes
10. Eight-channel, 10-bit Analog-to-Digital Converter (ADC)
11. Two USARTs with multi-sync and LIN modes
12. One SPI and one I2C serial interface
13. On-chip oscillator calibration for precise clock generation
14. Sleep, power-down, and standby modes for low-power operation
15. Brownout detection and reset
16. Three software selectable power saving modes

Applications:

The ATMEGA324A-AU is suitable for a wide range of applications due to its versatile features and low-power consumption. Some common applications include:

1. Industrial control systems
2. Home automation and smart home devices
3. Medical equipment and portable devices
4. Automotive control systems and accessories
5. Robotics and unmanned vehicles
6. Consumer electronics, such as appliances and toys
7. Data acquisition and signal processing systems
8. Battery-powered devices and energy-harvesting applications
9. Networking and communication devices
10. Human-Machine Interface (HMI) devices

The ATMEGA324A-AU's combination of memory, I/O capabilities, and low-power features make it an ideal choice for a variety of embedded systems and applications requiring high performance and efficient power usage.

ATMEGA324A-AU Documents

Download datasheets and manufacturer documentation for ATMEGA324A-AU

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

ATmega324A       ATmega164A/PA/324A/PA/644A/PA/1284/P      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATmega324A Development Tool Selector      

PCN Design/Specification :

ATMEGA Datasheet 11/Dec/2018       ATmega164A/PA/324A/PA/644A/PA/1284/P 20/Jan/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH