Microchip Technology

ATMEGA48P-20AU  

Microcontrollers

The ATMEGA48P-20AU is a low-power, high-performance 8-bit microcontroller unit (MCU) manufactured by Microchip Technology. It is based on the AVR enhanced low-power architecture and features a range of integrated peripherals and advanced features that make it suitable for a wide range of applications.

Description:

The ATMEGA48P-20AU is a 28-pin, 8-bit microcontroller with 4KB of in-system programmable flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM. It operates at a frequency of up to 20 MHz and has a wide operating voltage range of 1.8V to 5.5V. The device is available in an 8-pin PDIP (Plastic Dual In-line Package) package.

Features:

1. 4KB In-System Programmable Flash Memory: The ATMEGA48P-20AU features 4KB of in-system programmable flash memory, allowing for easy programming and updating of the firmware.
2. 512 Bytes SRAM: The device has 512 bytes of SRAM, providing ample memory for data storage and program execution.
3. 256 Bytes EEPROM: The ATMEGA48P-20AU includes 256 bytes of EEPROM, which is useful for storing user data and program settings that need to be retained even when power is removed.
4. Low-Power Operation: The device is designed for low-power operation, making it suitable for battery-powered applications.
5. Advanced I/O: The ATMEGA48P-20AU features a range of I/O options, including digital I/O pins, analog inputs, and a UART for serial communication.
6. Timers and PWM: The device includes several timers and PWM channels, allowing for precise control of external devices and peripherals.
7. Interrupts: The ATMEGA48P-20AU supports up to 16 interrupt sources, enabling efficient handling of external events and reducing CPU load.
8. Sleep Modes: The device offers various sleep modes, allowing for further power savings during periods of inactivity.

Applications:

The ATMEGA48P-20AU is suitable for a wide range of applications, including but not limited to:

1. Industrial Control: The device can be used in industrial control systems for monitoring and controlling various processes.
2. Home Automation: The ATMEGA48P-20AU can be employed in home automation systems for controlling lights, appliances, and other devices.
3. Portable Devices: Due to its low-power consumption, the device is well-suited for portable devices such as fitness trackers, smartwatches, and portable medical devices.
4. Embedded Systems: The ATMEGA48P-20AU can be used in various embedded systems, such as data acquisition systems, sensor networks, and control panels.
5. Toys and Games: The device can be used in electronic toys and games for controlling various functions and interactions.
6. Security Systems: The ATMEGA48P-20AU can be employed in security systems for monitoring and controlling access points, alarms, and other security-related functions.

In summary, the ATMEGA48P-20AU is a versatile, low-power 8-bit microcontroller that offers a range of features and capabilities, making it suitable for a wide range of applications in various industries.

ATMEGA48P-20AU Documents

Download datasheets and manufacturer documentation for ATMEGA48P-20AU

PCN Assembly/Origin :

Assembly Site 20/Apr/2023      

Datasheets :

ATMEGA48/88/168(P,PV) Complete      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

ATmega48P Development Tool Selector      

HTML Datasheet :

ATMEGA48/88/168(P,PV) Complete      

PCN Design/Specification :

ATMEGA Datasheet 13/Dec/2018       Die Rev & Add MFG Location 17/Nov/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH