Microchip Technology

ATMEGA48A-MMHR  

Microcontrollers

Microchip Technology's ATMEGA48A-MMHR is a low-power, high-performance 8-bit microcontroller unit (MCU) based on the enhanced AVR RISC architecture. It is designed to provide high computational power while minimizing power consumption, making it suitable for a wide range of applications.

Description:

The ATMEGA48A-MMHR is an 8-pin, 8-bit microcontroller with 4KB In-System Programmable (ISP) flash memory, 512B EEPROM, and 512B SRAM. It features an advanced RISC architecture with 131 powerful instructions, most of which can execute in a single clock cycle. The device operates at a frequency of 20 MHz, providing fast execution of instructions.

Features:

1. Enhanced AVR RISC architecture with 131 instructions
2. 4KB In-System Programmable flash memory with read-while-write capability
3. 512B EEPROM
4. 512B SRAM
5. 23 general-purpose I/O lines
6. 32 general-purpose working registers
7. Nested interrupt controller with 2 interrupt priority levels
8. On-chip debug system with JTAG interface
9. Internal and external oscillator support
10. Sleep, power-down, and power-save modes for low-power operation
11. Voltage range of 1.8 - 5.5V
12. Operating frequency of up to 20 MHz
13. Small 8-pin package (PDIP, PDIP-N, SOIC, QFN, TSSOP)

Applications:

The ATMEGA48A-MMHR is suitable for a wide range of applications due to its low power consumption and high computational power. Some common applications include:

1. Battery-powered devices: The low-power modes make it ideal for devices that require extended battery life, such as portable electronics, remote controls, and wireless communication devices.
2. Industrial control: The device can be used in control systems for various industrial applications, including motor control, sensor interfacing, and data acquisition.
3. Medical devices: The ATMEGA48A-MMHR can be used in medical equipment, such as portable monitoring devices, wearable health devices, and diagnostic equipment.
4. Consumer electronics: The microcontroller can be utilized in various consumer electronics, including home automation systems, remote controls, and small appliances.
5. Toys and games: The device can be used in electronic toys, games, and hobbyist projects, providing the necessary processing power and I/O capabilities.
6. Security systems: The ATMEGA48A-MMHR can be employed in access control systems, intrusion detection systems, and other security-related applications.

In summary, the ATMEGA48A-MMHR is a versatile, low-power microcontroller with a range of features that make it suitable for various applications, from battery-powered devices to industrial control systems. Its combination of performance, power efficiency, and ease of use makes it a popular choice among engineers and developers.

ATMEGA48A-MMHR Documents

Download datasheets and manufacturer documentation for ATMEGA48A-MMHR

PCN Part Number :

SL Code Number Update 25/Oct/2016      

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      

Design Resources :

ATmega48A Development Tool Selector      

PCN Design/Specification :

ATMEGA Datasheet 13/Dec/2018       ATmega48A/PA/88A/PA/168A/PA/328/P 10/Sep/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH