Microchip Technology

ATMEGA328P-ANR  

Microcontrollers

The ATMEGA328P-ANR is a microcontroller unit (MCU) developed by Microchip Technology. It is part of the AVR Enhanced series of MCUs and is based on the ATmega family of microcontrollers.

Description:

The ATMEGA328P-ANR is a high-performance, low-power 8-bit microcontroller featuring 32 KB of In-System Programmable Flash memory, 1 KB of EEPROM, and 2 KB of SRAM. It operates at a frequency of up to 16 MHz and has a wide operating voltage range of 1.8-5.5 V. The device is available in a 4-layer, 3.9mm x 3.9mm QFN package.

Features:

1. 32 KB of In-System Programmable Flash memory
2. 1 KB of EEPROM
3. 2 KB of SRAM
4. 16 MHz operating frequency
5. Wide operating voltage range (1.8-5.5 V)
6. I/O lines with optional internal pull-up resistors
7. 3-channel 8-bit Timer/Counter with PWM and Watchdog System
8. USART with programmable data frame format and baud rate generator
9. Universal Serial Interface (USI) for I2C/SPI/1-Wire compatibility
10. On-chip debug system with JTAG and SPI interface
11. Internal and external interrupts
12. Power-saving modes: Idle, ADC Noise Reduction, Power-down, and Power-save
13. Brown-out detection and reset
14. Programmable voltage reference
15. Internal calibrated oscillator
16. 4-layer, 3.9mm x 3.9mm QFN package

Applications:

The ATMEGA328P-ANR is suitable for a wide range of applications due to its versatility and low-power consumption. Some common applications include:

1. General-purpose microcontroller applications
2. Battery-powered devices
3. Industrial control and automation
4. Home automation and smart home systems
5. Medical devices and equipment
6. Portable electronics and gadgets
7. Robotics and automation systems
8. IoT devices and sensors
9. Data acquisition and signal processing systems
10. Embedded systems in consumer electronics

The ATMEGA328P-ANR is a popular choice for hobbyists and professionals alike, thanks to its ease of use, extensive documentation, and a large community of developers and enthusiasts. It is also commonly used in Arduino Uno and other similar development boards, making it a go-to option for prototyping and educational purposes.

ATMEGA328P-ANR Documents

Download datasheets and manufacturer documentation for ATMEGA328P-ANR

Errata :

ATmega48A/PA/88A/PA/168A/PA/328/P Errata      

PCN Assembly/Origin :

ATMEGA88PA/ ATMEGA168PA/ATMEGA48PA/ATMEGA8A/ATMEGA328P Test Site 10/Jan/2024      

Datasheets :

ATmega48A/PA/88A/PA/168A/PA/328/P      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018       Tape and Reel Label Update 10/Feb/2015      

Design Resources :

ATmega328 Development Tool Selector      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       ATmega48A/PA/88A/PA/168A/PA/328/P 10/Sep/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH