Microchip Technology

ATMEGA328P-MMHR  

Microcontrollers

The ATMEGA328P-MMHR is a microcontroller unit (MCU) manufactured by Microchip Technology. This MCU belongs to the ATmega family of 8-bit AVR microcontrollers, which are widely used in various applications due to their versatility, high performance, and low power consumption.

Description:

The ATMEGA328P-MMHR is a high-performance, low-power 8-bit AVR RISC-based microcontroller with 32 KB of In-System Programmable Flash memory, featuring a rich set of communication interfaces and peripherals. It operates at a maximum frequency of 20 MHz.

Features:

1. 32 KB of In-System Programmable Flash memory with read-while-write capability.
2. 2 KB of In-System Programmable SRAM and 1 KB of EEPROM.
3. 44 general-purpose input/output (GPIO) pins with various input/output modes.
4. 23 programmable I/O lines.
5. 3-channel 8-bit Timer/Counters with PWM and Input Capture.
6. 8-channel 10-bit Analog-to-Digital Converter (ADC).
7. 2 UART (USART) modules for serial communication.
8. 1 SPI (Serial Peripheral Interface) module for high-speed data transfer.
9. 1 I2C (Inter-Integrated Circuit) module for low-speed serial communication.
10. On-chip Debugging and Programming Interface (JTAG and SPI).
11. Internal and external Interrupts.
12. Power-on Reset (POR), Brown-out Reset (BOR), and Watchdog System Reset (WDT).
13. Sleep mode for low-power consumption.
14. Programmable Oscillator and Clock sources.
15. Available in a 28-pin Multi-Metal Housing (MMHR) package.

Applications:

The ATMEGA328P-MMHR is suitable for a wide range of applications due to its diverse set of features and peripherals. Some common applications include:

1. Industrial control systems and automation.
2. Home automation and smart appliances.
3. Robotics and autonomous vehicles.
4. Portable and wearable electronics.
5. Data acquisition and signal processing systems.
6. Medical devices and equipment.
7. Telecommunication systems and IoT devices.
8. Embedded systems in consumer electronics.
9. Security systems and access control devices.
10. Automotive control modules and sensors.

The ATMEGA328P-MMHR's versatility, combined with its low power consumption and high performance, makes it an ideal choice for a variety of embedded systems and applications.

ATMEGA328P-MMHR Documents

Download datasheets and manufacturer documentation for ATMEGA328P-MMHR

Errata :

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

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

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

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       Tape and Reel Label Update 10/Feb/2015      

PCN Other :

MSL3 to MSL1 05/Apr/2013      

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