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Microchip ATMEGA324P-20AU 8-bit AVR Microcontroller, 20 MHz, 32kB Flash, 44-Pin TQFP
Specifications
| Country of Origin | India |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 10.1mm |
| Model | ATMEGA324P-20AU |
| Width | 10.1mm |
| Mount Type | Surface |
| Series | ATMEGA324P |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 2kB |
| Interface Type | SPI, USART |
| Pin Count | 44 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 2.7V |
| Device Core | AVR |
| Program Memory Size | 32kB |
| Maximum Clock Frequency | 20MHz |
| Number of Programmable I/Os | 32 |
| Analogue Comparators | 1 |
| Number of Timers | 2 |
| Instruction Set Architecture | RISC |
| ADCs | 8 x 10 Bit |
| Program Memory Type | FLASH |
Key Features
- Operates at up to 20 MHz clock frequency for fast processing speeds.
- Equipped with 32kB on-chip flash program memory and 2kB SRAM for efficient storage.
- Features 44-pin TQFP surface-mount package for ease of integration.
- Built on AVR core with RISC instruction set architecture.
- Offers 32 programmable I/O lines for flexible interfacing.
- Supports 8 x 10-bit ADC channels and 1 analogue comparator.
- Wide operating voltage range from 2.7V to 5.5V and temperature range from -40°C to 85°C.
- Designed for energy-efficient picoPower operation.
Product Description
Microchip ATMEGA324P-20AU 8-bit AVR microcontroller is engineered to deliver robust performance and energy efficiency for embedded applications. Its picoPower technology enables ultra-low power consumption without sacrificing processing speed, making it ideal for designs where battery life and power saving are critical.
This microcontroller runs at a maximum clock frequency of 20 MHz, offering fast and reliable computation. The integrated 32kB flash memory provides ample program space, while the 2kB SRAM ensures smooth handling of live data and operations. The 44-pin TQFP surface-mount package ensures easy placement on PCBs, supporting compact and scalable layouts.
ATMEGA324P-20AU utilizes an AVR core with a RISC-based instruction set, delivering high efficiency and straightforward programming. The device supports up to 32 programmable digital I/O lines, enabling flexible connection to peripheral devices, sensors, and actuators. Advanced interfaces such as SPI, USART, TWI (I²C), USB, CAN, and LIN allow the microcontroller to communicate with a broad range of external modules and systems.
The chip features 8 x 10-bit ADC channels for accurate analogue-to-digital conversion and includes an onboard analogue comparator for signal monitoring. Its operating voltage range spans from 2.7V to 5.5V, suited to both battery-powered and regulated power systems. The temperature capacity from -40°C to 85°C ensures reliable operation under industrial, laboratory, or harsh environmental conditions.
Additional integrated functionalities include internal EEPROM, watchdog timer, precision oscillator, built-in temperature sensor, internal voltage reference, and brown-out detector, enhancing reliability and data retention in challenging scenarios. As part of the megaAVR family, this microcontroller is suited for industrial automation, robotics, HVAC controls, instrumentation, and diverse electronics projects requiring substantial computational resources in a compact footprint.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 20 MHz, allowing for fast processing speeds.
It features a program memory size of 32kB, which provides ample space for program storage.
This microcontroller has 32 programmable I/O lines, enabling flexible interfacing with various devices.
The operating voltage range for the ATMEGA324P-20AU is from 2.7V to 5.5V, suitable for both battery-powered and regulated power systems.
This model supports several interfaces including SPI, USART, TWI (I²C), USB, CAN, and LIN for communication with external modules.
The dimensions of this microcontroller are 10.1mm in length, 10.1mm in width, and 1.05mm in height.
It operates within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.
The ATMEGA324P-20AU includes 8 x 10-bit ADC channels for accurate analog-to-digital conversion.
This microcontroller is packaged in a 44-pin TQFP (Thin Quad Flat Package) for surface mounting.
The microcontroller has a RAM size of 2kB, which facilitates efficient data handling during operations.
It is built on a RISC (Reduced Instruction Set Computing) instruction set architecture, enhancing programming efficiency.
This microcontroller is designed for applications in industrial automation, robotics, HVAC controls, and instrumentation.
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