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ATMEGA48A-AU
+BOMIC MCU 8BIT 4KB FLASH 32TQFP
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ManufacturerAtmel
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Mfr. Part #ATMEGA48A-AU
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Datasheet ATMEGA48A-AU DataSheet
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In Stock7187
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Specifications
| Attribute | Value |
| Series | AVR® ATmega |
| PartStatus | Active |
| BaseProductNumber | ATMEGA48 |
| DigiKeyProgrammable | Not Verified |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 20MHz |
| Connectivity | I2C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 23 |
| ProgramMemorySize | 4KB (2K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 256 x 8 |
| RAMSize | 512 x 8 |
| Voltage-Supply(Vcc/Vdd) | 1.8V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 32-TQFP (7x7) |
| Package | 32-TQFP |
| Packaging | Bulk |
Overview
Description
The ATMEGA48A-AU is an 8-bit microcontroller from Microchip Technology, part of the AVR family known for its efficient performance and low power consumption. It is widely used in embedded systems for applications requiring moderate processing power. The microcontroller features a RISC architecture with 32 general-purpose working registers, allowing for fast execution of instructions.
Key specifications include 4KB of Flash memory for program storage, 512 bytes of SRAM, and 256 bytes of EEPROM for data retention. It operates at a clock frequency of up to 20 MHz, providing a good balance between speed and energy efficiency. The device supports various communication protocols, including SPI, I2C, and USART, making it versatile for different peripheral integrations.
The ATMEGA48A-AU also includes several built-in peripherals, such as timers, an ADC (Analog-to-Digital Converter), PWM (Pulse Width Modulation) channels, and GPIO (General-Purpose Input/Output) pins, enhancing its utility in various applications. Its compact TQFP-32 package makes it suitable for space-constrained designs. Overall, the ATMEGA48A-AU is a reliable choice for hobbyists and professionals alike in the field of electronics and microcontroller applications.
Key specifications include 4KB of Flash memory for program storage, 512 bytes of SRAM, and 256 bytes of EEPROM for data retention. It operates at a clock frequency of up to 20 MHz, providing a good balance between speed and energy efficiency. The device supports various communication protocols, including SPI, I2C, and USART, making it versatile for different peripheral integrations.
The ATMEGA48A-AU also includes several built-in peripherals, such as timers, an ADC (Analog-to-Digital Converter), PWM (Pulse Width Modulation) channels, and GPIO (General-Purpose Input/Output) pins, enhancing its utility in various applications. Its compact TQFP-32 package makes it suitable for space-constrained designs. Overall, the ATMEGA48A-AU is a reliable choice for hobbyists and professionals alike in the field of electronics and microcontroller applications.
Equivalent
Equivalent products to the ATMEGA48A-AU microcontroller include:
1. ATMEGA48PA-AU: A low-power variant with improved power consumption.
2. ATMEGA88A-AU: Offers more memory and similar features.
3. ATMEGA8A-AU: An older model with similar core features but less advanced.
4. PIC16F628A: A Microchip alternative with comparable functionality.
5. TI MSP430G2553: Texas Instruments low-power option with similar specs.
These alternatives may vary in terms of power consumption, memory, and peripherals.
1. ATMEGA48PA-AU: A low-power variant with improved power consumption.
2. ATMEGA88A-AU: Offers more memory and similar features.
3. ATMEGA8A-AU: An older model with similar core features but less advanced.
4. PIC16F628A: A Microchip alternative with comparable functionality.
5. TI MSP430G2553: Texas Instruments low-power option with similar specs.
These alternatives may vary in terms of power consumption, memory, and peripherals.
Features
The ATMEGA48A-AU is a microcontroller from Microchip Technology, based on the 8-bit AVR RISC architecture. Key features include:
1. Performance: Operates at up to 20 MHz.
2. Memory: 4KB of Flash memory, 512 bytes of EEPROM, and 512 bytes of SRAM.
3. I/O Ports: 23 general-purpose I/O lines.
4. Timers/Counters: Two 8-bit and one 16-bit Timer/Counter with PWM support.
5. ADC: 10-bit, 6-channel Analog-to-Digital Converter.
6. Communication Interfaces: Supports USART, SPI, and I2C/TWI communication protocols.
7. Watchdog Timer: Integrated with an internal oscillator.
8. Power: Operates from 1.8V to 5.5V, with various power-saving modes.
9. Package: Available in a 32-pin TQFP package.
10. Operating Temperature: Industrial range from -40°C to +85°C.
11. Additional Features: Enhanced RISC architecture, programmable serial USART, master/slave SPI serial interface, byte-oriented 2-wire serial interface, and more.
These features make it suitable for various embedded applications, including consumer electronics, automotive, and industrial control systems.
1. Performance: Operates at up to 20 MHz.
2. Memory: 4KB of Flash memory, 512 bytes of EEPROM, and 512 bytes of SRAM.
3. I/O Ports: 23 general-purpose I/O lines.
4. Timers/Counters: Two 8-bit and one 16-bit Timer/Counter with PWM support.
5. ADC: 10-bit, 6-channel Analog-to-Digital Converter.
6. Communication Interfaces: Supports USART, SPI, and I2C/TWI communication protocols.
7. Watchdog Timer: Integrated with an internal oscillator.
8. Power: Operates from 1.8V to 5.5V, with various power-saving modes.
9. Package: Available in a 32-pin TQFP package.
10. Operating Temperature: Industrial range from -40°C to +85°C.
11. Additional Features: Enhanced RISC architecture, programmable serial USART, master/slave SPI serial interface, byte-oriented 2-wire serial interface, and more.
These features make it suitable for various embedded applications, including consumer electronics, automotive, and industrial control systems.
Pinout
The ATmega48A-AU is a microcontroller from Microchip Technology, part of the AVR series. It features a 32-pin TQFP (Thin Quad Flat Pack) package. Here are some key functions and features:
1. Pin Count: 32 pins.
2. Core: 8-bit AVR RISC architecture.
3. Flash Memory: 4KB.
4. EEPROM: 256 bytes.
5. SRAM: 512 bytes.
6. I/O Ports: 23 programmable I/O lines.
7. Timers: Two 8-bit and one 16-bit Timer/Counter.
8. ADC: 10-bit, 6-channel ADC.
9. Communication Interfaces: Supports USART, SPI, and I2C (TWI).
10. Operating Voltage: 1.8V to 5.5V.
11. PWM: Six PWM channels.
12. Interrupts: External and pin change interrupts.
13. Sleep Modes: Various power-saving sleep modes.
The ATmega48A is used for various embedded applications, ranging from simple control systems to complex communication tasks, due to its balance of performance, power efficiency, and versatile peripheral set.
1. Pin Count: 32 pins.
2. Core: 8-bit AVR RISC architecture.
3. Flash Memory: 4KB.
4. EEPROM: 256 bytes.
5. SRAM: 512 bytes.
6. I/O Ports: 23 programmable I/O lines.
7. Timers: Two 8-bit and one 16-bit Timer/Counter.
8. ADC: 10-bit, 6-channel ADC.
9. Communication Interfaces: Supports USART, SPI, and I2C (TWI).
10. Operating Voltage: 1.8V to 5.5V.
11. PWM: Six PWM channels.
12. Interrupts: External and pin change interrupts.
13. Sleep Modes: Various power-saving sleep modes.
The ATmega48A is used for various embedded applications, ranging from simple control systems to complex communication tasks, due to its balance of performance, power efficiency, and versatile peripheral set.
Manufacturer
The ATMEGA48A-AU is manufactured by Microchip Technology Inc. Microchip Technology is a leading semiconductor company that designs and produces microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. They are widely recognized for providing embedded control solutions, which include microcontrollers, digital signal controllers, and microprocessors, along with associated development tools and software. The company primarily serves industries such as automotive, industrial, consumer electronics, and telecommunications, among others.
Application
The ATMEGA48A-AU microcontroller is commonly used in a variety of applications due to its low power consumption, reliable performance, and versatility. Key application areas include:
1. Embedded Systems: Utilized in small-scale embedded systems for control and automation.
2. Consumer Electronics: Found in devices like remote controls, alarms, and home automation systems.
3. Industrial Automation: Used for process control, motor control, and sensor interfacing.
4. Automotive: Implemented in infotainment systems and basic control units.
5. IoT Devices: Serves as a core component in IoT applications due to its connectivity features.
6. Educational Projects: Popular in educational kits and development boards for learning microcontroller programming.
Its ease of use makes it a staple in prototyping and hobbyist projects.
1. Embedded Systems: Utilized in small-scale embedded systems for control and automation.
2. Consumer Electronics: Found in devices like remote controls, alarms, and home automation systems.
3. Industrial Automation: Used for process control, motor control, and sensor interfacing.
4. Automotive: Implemented in infotainment systems and basic control units.
5. IoT Devices: Serves as a core component in IoT applications due to its connectivity features.
6. Educational Projects: Popular in educational kits and development boards for learning microcontroller programming.
Its ease of use makes it a staple in prototyping and hobbyist projects.
Package
The ATMEGA48A-AU is a microcontroller in the ATmega series by Microchip Technology (formerly Atmel). It comes in a TQFP (Thin Quad Flat Package) with 32 pins.
