ATTINY261-20MU

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ATTINY261-20MU Application Field and Working Principle

Introduction
ATtiny261-20MU is a low-power 8-bit AVR microcontroller from Atmel. It is based on the enhanced RISC architecture of the AVR core, which ensures high performance while maintaining low power consumption. The Atmel AVR core offers several features, including an event system, an instruction set optimized for performance, low power consumption and an integrated self-programming system. The ATtiny261-20MU provides advanced features such as memory-mapped I/O, high-precision ADC, automatic hardware multiplication and hardware division, programmable Watchdog timer, On-chip debug mode, interrupt and programmable gain control. The integrated peripherals make the ATtiny261-20MU an ideal solution for applications like motor control, embedded systems, medical devices, home appliances, home automation and more.

Application Fields

The ATtiny261-20MU is used in a wide range of applications, including:

• Data acquisition systems
• Motor control systems
• Security systems
• Robotics
• Consumer electronics
• Industrial control systems
• Medical devices
• Home automation

Working Principle

The ATtiny261-20MU contains a RISC microcontroller core, which processes the program instructions and executes the related tasks. The microcontroller core is composed of multiple components such as CPU, memory, I/O port and on-chip module. The CPU handles program instruction loading and execution and it is responsible for controlling the internal components. The memory section stores data, programs, and variables and also provides access to external memory. The I/O port is used to communicate with external devices or sensors. The on-chip module consists of a Watchdog timer, a timer/counter and an UART. The on-chip modules provide the necessary features to the ATtiny261-20MU.

The ATtiny261-20MU also contains an asynchronous 8-bit SRAM and a 10-bit ADC. The SRAM is used to store data temporarily, while the ADC is used to collect data from analog sources or to convert it to digital data. The microcontroller also features two external interrupts, two serial USARTs, two intelligent USARTs and four PWM outputs. The USARTs facilitate the serial communication with peripherals and the PWM outputs can be used to control the speed of motors.

In addition, the ATtiny261-20MU has an integrated configuration memory that can be used for storing parameters, such as a unique ID number for the device. It also has an on-chip temperature sensor that can be used to monitor temperature changes. It supports In-System Programming (ISP) and programming via the debugWIRE interface, which allow the microcontroller to be programmed via the Atmel Studio or other development tools.

Conclusion

The ATtiny261-20MU is a low-power 8-bit AVR microcontroller, which features a powerful RISC microcontroller core, an asynchronous 8-bit SRAM, a 10-bit ADC, two external interrupts, two USARTs and four PWM outputs. The microcontroller is suitable for a wide range of applications, including data acquisition systems, motor control systems, security systems, robotics, consumer electronics, industrial control systems, medical devices and home automation. Its integrated on-chip modules make it an ideal choice for a variety of embedded applications.

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