規格
| 屬性 | 價值 |
| Package | Bulk |
| Series | AVR® ATmega |
| ProductStatus | Active |
| CoreProcessor | AVR |
| CoreSize | 8-Bit |
| Speed | 16MHz |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| NumberofI/O | 54 |
| ProgramMemorySize | 128KB (64K x 16) |
| ProgramMemoryType | FLASH |
| EEPROMSize | 4K x 8 |
| RAMSize | 8K x 8 |
| Voltage-Supply(Vcc/Vdd) | 2.7V ~ 5.5V |
| DataConverters | A/D 8x10b |
| OscillatorType | Internal |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 64-TQFP |
概述
Description
The ATMEGA1281-16AU is a microcontroller from Microchip Technology, based on the 8-bit AVR RISC architecture. It features a high-performance, low-power CMOS technology with a 128KB programmable Flash memory. The device operates at a maximum clock frequency of 16 MHz and supports extensive communication interfaces including USART, SPI, and I2C, making it suitable for a wide range of embedded applications.
Key features include 8KB of SRAM, 4KB of EEPROM, and 86 general-purpose I/O lines, enhancing its usability in complex applications. The microcontroller also incorporates several sophisticated peripherals such as a 10-bit ADC, PWM channels, and support for real-time clock functionality.
Its small size and high functionality make it ideal for applications in consumer electronics, automotive, industrial automation, and IoT devices. The ATMEGA1281-16AU also supports power-saving modes, ensuring efficient energy consumption in battery-powered applications. Development support is available through the extensive AVR toolchain and libraries, simplifying the design and implementation process for engineers and developers.
Key features include 8KB of SRAM, 4KB of EEPROM, and 86 general-purpose I/O lines, enhancing its usability in complex applications. The microcontroller also incorporates several sophisticated peripherals such as a 10-bit ADC, PWM channels, and support for real-time clock functionality.
Its small size and high functionality make it ideal for applications in consumer electronics, automotive, industrial automation, and IoT devices. The ATMEGA1281-16AU also supports power-saving modes, ensuring efficient energy consumption in battery-powered applications. Development support is available through the extensive AVR toolchain and libraries, simplifying the design and implementation process for engineers and developers.
Equivalent
The ATMEGA1281-16AU is an 8-bit microcontroller from Microchip's Atmel AVR family. Equivalent products with similar features include:
1. ATMEGA1284P: Offers similar memory and peripheral configuration.
2. ATMEGA2560: Provides more memory but similar architecture.
3. PIC18F87K22: Microchip PIC family with comparable specs.
4. STM32F103C8T6: ARM-based microcontroller with broader capabilities.
5. NXP LPC1114: ARM Cortex-M0 with similar functionality.
These alternatives may vary in architecture, so ensure they meet your specific project requirements.
1. ATMEGA1284P: Offers similar memory and peripheral configuration.
2. ATMEGA2560: Provides more memory but similar architecture.
3. PIC18F87K22: Microchip PIC family with comparable specs.
4. STM32F103C8T6: ARM-based microcontroller with broader capabilities.
5. NXP LPC1114: ARM Cortex-M0 with similar functionality.
These alternatives may vary in architecture, so ensure they meet your specific project requirements.
Features
The ATmega1281-16AU is an 8-bit microcontroller from Microchip Technology's AVR family. Key features include:
1. Architecture: 8-bit AVR RISC architecture for efficient performance.
2. Operating Frequency: Up to 16 MHz.
3. Flash Memory: 128 KB of in-system programmable Flash memory, with read-while-write capabilities.
4. EEPROM: 4 KB for non-volatile data storage.
5. SRAM: 8 KB for general-purpose usage.
6. I/O Ports: 86 general-purpose I/O lines.
7. Timers/Counters: Four 16-bit Timer/Counters and one 8-bit Timer/Counter.
8. Communication Interfaces:
- Two USARTs for asynchronous and synchronous serial communication.
- One SPI interface for high-speed synchronous data transfer.
- Two-wire Serial Interface (TWI/I2C) for easy communication with peripherals.
9. ADC: 8-channel, 10-bit ADC with differential input options.
10. PWM: Up to 12 PWM channels.
11. Interrupts: 54 interrupt sources with 3 external interrupts.
12. Power Management: Multiple power-saving modes.
13. Operating Voltage: 2.7V to 5.5V.
14. Package: Available in 64-lead TQFP.
These features make it suitable for embedded system applications requiring moderate processing power and flexible interfacing.
1. Architecture: 8-bit AVR RISC architecture for efficient performance.
2. Operating Frequency: Up to 16 MHz.
3. Flash Memory: 128 KB of in-system programmable Flash memory, with read-while-write capabilities.
4. EEPROM: 4 KB for non-volatile data storage.
5. SRAM: 8 KB for general-purpose usage.
6. I/O Ports: 86 general-purpose I/O lines.
7. Timers/Counters: Four 16-bit Timer/Counters and one 8-bit Timer/Counter.
8. Communication Interfaces:
- Two USARTs for asynchronous and synchronous serial communication.
- One SPI interface for high-speed synchronous data transfer.
- Two-wire Serial Interface (TWI/I2C) for easy communication with peripherals.
9. ADC: 8-channel, 10-bit ADC with differential input options.
10. PWM: Up to 12 PWM channels.
11. Interrupts: 54 interrupt sources with 3 external interrupts.
12. Power Management: Multiple power-saving modes.
13. Operating Voltage: 2.7V to 5.5V.
14. Package: Available in 64-lead TQFP.
These features make it suitable for embedded system applications requiring moderate processing power and flexible interfacing.
Pinout
The ATmega1281-16AU is an 8-bit microcontroller from Atmel's AVR family, housed in a TQFP (Thin Quad Flat Package) with 64 pins. It features:
- Pin Count: 64 pins.
- Functions:
- I/O Ports: 53 programmable I/O lines for interfacing peripherals.
- Timers/Counters: 4 timers (two 8-bit and two 16-bit) for counting and timing operations.
- Communication Interfaces: Includes USART, SPI, and TWI for serial communication.
- Analog Features: 8-channel 10-bit ADC for analog-to-digital conversion.
- PWM: Pulse Width Modulation for control applications.
- External Interrupts: 8 external interrupts for responsive operations.
- Watchdog Timer: To reset the system in the event of a fault.
- JTAG Interface: For on-chip debugging and programming.
Additionally, it includes features for low-power operation, on-chip oscillators, and multiple power-saving modes. The microcontroller is suited for a wide range of applications due to its rich feature set and efficient architecture.
- Pin Count: 64 pins.
- Functions:
- I/O Ports: 53 programmable I/O lines for interfacing peripherals.
- Timers/Counters: 4 timers (two 8-bit and two 16-bit) for counting and timing operations.
- Communication Interfaces: Includes USART, SPI, and TWI for serial communication.
- Analog Features: 8-channel 10-bit ADC for analog-to-digital conversion.
- PWM: Pulse Width Modulation for control applications.
- External Interrupts: 8 external interrupts for responsive operations.
- Watchdog Timer: To reset the system in the event of a fault.
- JTAG Interface: For on-chip debugging and programming.
Additionally, it includes features for low-power operation, on-chip oscillators, and multiple power-saving modes. The microcontroller is suited for a wide range of applications due to its rich feature set and efficient architecture.
Manufacturer
The ATMEGA1281-16AU is manufactured by Microchip Technology Inc. This company is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Microchip Technology Inc. designs and manufactures a wide range of products including microcontrollers, memory products, analog devices, and interface products, which are used in a variety of applications across different industries. Their operations focus on providing embedded control solutions to help customers get their products to market faster and reduce system costs.
Application
The ATMEGA1281-16AU microcontroller is widely used in various applications due to its versatility and performance. Key application areas include:
1. Embedded Systems: Ideal for integration into complex embedded systems.
2. Industrial Automation: Used in control systems and automation equipment.
3. Consumer Electronics: Powers devices like remote controls and home automation products.
4. Automotive: Employed in systems for infotainment, sensors, and control units.
5. Robotics: Used in robot control systems for its processing power and I/O capabilities.
6. IoT Devices: Facilitates connectivity and control in Internet of Things applications.
7. Medical Devices: Found in diagnostic and monitoring equipment.
Its robust features like multiple I/O ports, timers, and ADCs make it suitable for these diverse applications.
1. Embedded Systems: Ideal for integration into complex embedded systems.
2. Industrial Automation: Used in control systems and automation equipment.
3. Consumer Electronics: Powers devices like remote controls and home automation products.
4. Automotive: Employed in systems for infotainment, sensors, and control units.
5. Robotics: Used in robot control systems for its processing power and I/O capabilities.
6. IoT Devices: Facilitates connectivity and control in Internet of Things applications.
7. Medical Devices: Found in diagnostic and monitoring equipment.
Its robust features like multiple I/O ports, timers, and ADCs make it suitable for these diverse applications.
Package
The ATMEGA1281-16AU microcontroller is housed in a TQFP (Thin Quad Flat Pack) package, specifically a 64-pin TQFP. This package type is widely used for its compact size and is suitable for surface-mount technology (SMT) applications.
