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Microchip 8 bit AVR Atmega Microcontroller 20 MHz 32kB FLASH 44-Pin TQFP ATMEGA324PB-AU
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 10.1mm |
| Model | ATMEGA324PB-AU |
| Width | 10.1mm |
| Mount Type | Surface |
| Series | Atmega |
| Maximum Operating Temperature | 85°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 2kB |
| Pin Count | 44 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Device Core | AVR |
| Program Memory Size | 32kB |
| Maximum Clock Frequency | 20MHz |
| Number of Programmable I/Os | 39 |
| Analogue Comparators | 1 |
| Number of Timers | 2 |
| Instruction Set Architecture | RISC |
| ADCs | 8 x 10 Bit |
| Program Memory Type | FLASH |
Key Features
- The microcontroller operates on AVR architecture with 8-bit data bus width.
- It offers 2kB RAM and supports a maximum supply voltage of 5.5 V.
- Includes 39 programmable I/O lines and 8-channel 10-bit ADCs for versatile interfacing.
- Designed for operating temperature range from -40°C to 85°C ensuring industrial reliability.
- Integrated peripherals include timers, PWM channels, USARTs, and analogue comparators.
- On-chip features include a 2-cycle multiplier and multiple sleep modes for power saving.
- The device is surface mount type in a 44-pin TQFP package with dimensions of 10.1mm by 10.1mm.
- Memory types include ISP flash program memory and EEPROM for non-volatile storage.
Product Description
Microchip ATMEGA324PB-AU is a high-performance 8-bit AVR microcontroller designed for a wide range of embedded systems applications. Operating at a maximum frequency of 20 MHz, this model features 32kB of ISP flash memory, paired with 2kB of SRAM and 1kB of EEPROM, providing ample space for program code and data storage.
Constructed using AVR RISC architecture, the device supports a comprehensive instruction set with 131 powerful commands, many of which execute in a single clock cycle for efficient performance. The microcontroller includes 39 programmable I/O pins, making it suitable for complex control tasks and peripheral interfacing.
It supports 10 PWM channels and an 8-channel 10-bit ADC configuration facilitating precise analogue signal processing. Peripheral interfaces include three USARTs with fractional baud rate generator, two 8-bit timers, and three 16-bit timers, each supporting multiple modes including compare and capture, enhancing timing and communication capabilities.
The microcontroller's operating voltage ranges from 1.8 V to 5.5 V, with robust operation assured over a wide temperature range from -40°C to 85°C, suitable for industrial and commercial uses. The 44-pin TQFP surface mount package measures 10.1 mm by 10.1 mm with a height of 1.05 mm, ideal for compact PCB designs.
Additional integrated features include a real-time counter, analogue comparator, programming lock for software security, and multiple power-saving sleep modes such as ADC noise reduction and power-down, enabling low power consumption in battery-powered or energy-conscious designs.
This microcontroller is widely used in embedded systems, consumer electronics like LCD monitors and TVs, PC motherboards, portable hubs, printers, and scanners, making it a versatile choice for various industrial, commercial, and hobbyist projects.
The microcontroller architecture assures high-speed, low-power operation. Compact 44-pin TQFP package supports surface mount technology for efficient PCB layout. Multiple timers and communication interfaces enable diverse application compatibility.
Wide operating voltage and temperature range provide industrial-grade reliability. Comprehensive memory options allow for flexible program development. Explore the Microchip range at EnvMart for reliable Microcontroller solutions suitable for advanced embedded system development.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 20 MHz.
The operating voltage range for the ATMEGA324PB-AU is from 1.8 V to 5.5 V.
This microcontroller features 2 kB of RAM.
The ATMEGA324PB-AU is packaged in a 44-pin TQFP with dimensions of 10.1 mm x 10.1 mm and a height of 1.05 mm.
It offers 39 programmable I/O lines for interfacing and control tasks.
This model includes an 8-channel 10-bit ADC configuration for precise analogue signal processing.
The operating temperature range for this microcontroller is from -40°C to 85°C.
It includes timers, PWM channels, USARTs, and analogue comparators as integrated peripherals.
Yes, it features multiple power-saving sleep modes such as ADC noise reduction and power-down.
The program memory size is 32 kB of ISP flash memory.
It uses a RISC instruction set architecture, which allows for efficient performance with many commands executing in a single clock cycle.
The country of origin for this microcontroller is Taiwan.
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