Microchip Technology

ATMEGA328-MMH  

Microcontrollers

Microchip Technology's ATMEGA328-MMH is a microcontroller unit (MCU) that is part of the ATmega family of 8-bit AVR microcontrollers. The ATMEGA328-MMH is a high-performance, low-power MCU with a wide range of features and applications.

Description:

The ATMEGA328-MMH is an 8-bit microcontroller with a maximum clock frequency of 20 MHz. It features 32 KB of In-System Programmable Flash memory, 1 KB of EEPROM, and 2 KB of SRAM. The device is available in a 28-pin Multi-Metal Housing (MMH) package.

Features:

1. 8-bit AVR microcontroller core with 20 MHz maximum clock frequency
2. 32 KB of In-System Programmable Flash memory
3. 1 KB of EEPROM
4. 2 KB of SRAM
5. 28 general-purpose I/O lines
6. 23 general-purpose registers
7. 32-level deep stack for subroutine calls
8. On-chip debugging and programming support
9. Internal and external interrupts
10. Three 16-bit timer/counters with PWM and capture/compare capabilities
11. Eight-channel 10-bit ADC
12. Serial communication interfaces: USART, SPI, and I2C
13. On-chip oscillator calibration for precise clock frequency
14. Sleep, power-down, and power-save modes for low-power operation
15. Brown-out detection and reset
16. 5 V tolerant I/O pins

Applications:

The ATMEGA328-MMH is suitable for a wide range of applications due to its versatile features and low-power consumption. Some common applications include:

1. Industrial control and automation systems
2. Home automation and smart home devices
3. Battery-powered devices and portable electronics
4. Medical equipment and wearable devices
5. Robotics and unmanned vehicles
6. Data acquisition and signal processing systems
7. Motor control and power management applications
8. Security systems and access control devices
9. Remote monitoring and sensing applications
10. Consumer electronics and appliances

The ATMEGA328-MMH's combination of performance, memory, and low-power capabilities make it an ideal choice for a wide range of embedded systems and IoT applications.

ATMEGA328-MMH Documents

Download datasheets and manufacturer documentation for ATMEGA328-MMH

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       MBB/Label Chgs 16/Nov/2018      

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