ATMEGA48A-MMH

Product Overview

• Category: Microcontroller
• Use: Embedded systems, IoT devices, robotics, automation
• Characteristics: Low power consumption, high performance, versatile, compact size
• Package: 32-pin QFN (Quad Flat No-Lead)
• Essence: ATMEGA48A-MMH is a microcontroller designed for various applications that require low power consumption and high performance. It offers a wide range of features and capabilities in a compact package.
• Packaging/Quantity: Available in tape and reel packaging, with a minimum order quantity of 1000 units.

Specifications

• Architecture: 8-bit AVR
• Flash Memory: 4KB
• SRAM: 512 bytes
• EEPROM: 256 bytes
• Operating Voltage: 2.7V to 5.5V
• Clock Speed: Up to 20MHz
• Digital I/O Pins: 23
• Analog Input Pins: 6
• Communication Interfaces: UART, SPI, I2C
• Timers/Counters: 3
• PWM Channels: 6
• ADC Resolution: 10-bit
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ATMEGA48A-MMH microcontroller has a total of 32 pins. The pin configuration is as follows:

1. PCINT5/RESET
2. PD0/RXD
3. PD1/TXD
4. PD2/INT0
5. PD3/INT1
6. PD4/XCK/T0
7. VCC
8. GND
9. XTAL1
10. XTAL2
11. PD5/T1
12. PD6/AIN0
13. PD7/AIN1
14. PB0/ICP1
15. PB1/OC1A
16. PB2/SS/OC1B
17. PB3/MOSI/OC2
18. PB4/MISO
19. PB5/SCK
20. AVCC
21. AREF
22. GND
23. PC0/ADC0
24. PC1/ADC1
25. PC2/ADC2
26. PC3/ADC3
27. PC4/ADC4/SDA
28. PC5/ADC5/SCL
29. ADC6
30. ADC7
31. RESET
32. VCC

Functional Features

• Low power consumption: The ATMEGA48A-MMH microcontroller is designed to operate efficiently with minimal power requirements, making it suitable for battery-powered applications.
• High performance: With a clock speed of up to 20MHz and an 8-bit AVR architecture, the microcontroller offers fast and reliable processing capabilities.
• Versatility: It supports various communication interfaces such as UART, SPI, and I2C, enabling seamless integration with other devices and systems.
• Compact size: The 32-pin QFN package ensures a small footprint, making it ideal for space-constrained applications.

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life in portable devices. - High-performance processing capabilities enable efficient execution of complex tasks. - Versatile communication interfaces facilitate easy integration with other components. - Compact size allows for flexible placement in tight spaces.

Disadvantages: - Limited flash memory and SRAM may restrict the complexity of applications. - Lack of built-in peripherals may require additional external components for certain functionalities.

Working Principles

The ATMEGA48A-MMH microcontroller operates based on the 8-bit AVR architecture. It executes instructions stored in its flash memory, utilizing various peripherals and communication interfaces to interact with external devices. The clock speed determines the rate at which instructions are processed, enabling the microcontroller to perform tasks efficiently.

Detailed Application Field Plans

The ATMEGA48A-MMH microcontroller finds applications in a wide range of fields, including:

1. Embedded systems: Used in various embedded systems such as home automation, industrial control, and automotive electronics.
2. IoT devices: Enables connectivity and control in Internet of Things (IoT) devices, allowing for data acquisition, processing, and communication.
3. Robotics: Provides the necessary processing power and I/O capabilities for controlling robotic systems.
4. Automation: Used in automation systems for monitoring and controlling processes in industries such as manufacturing and agriculture.

Detailed and Complete Alternative Models

• ATMEGA48A-AU
• ATMEGA48A-PU
• ATMEGA48A-MU
• ATMEGA48A-CN
• ATMEGA48A-CU

These alternative models offer similar features and specifications to the