The Microchip Technology ATTINY261A-MFR is a high-performance, low-power AVR® 8-bit microcontroller that combines 2KB ISP flash memory, 128B EEPROM, 128B SRAM, 18 general purpose I/O lines, 32 general purpose working registers, a wide range of flexible and power-efficient peripherals, and on-chip debugging/programming capabilities. Designed for a variety of applications, this microcontroller is ideal for automotive, industrial, consumer, and handheld applications due to its compact size and robust feature set.

Key Features

• Advanced RISC Architecture: With 131 powerful instructions, most of which are executed in a single clock cycle, the ATTINY261A-MFR achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
• Memory Endurance: The flash memory is capable of being written to an impressive 10,000 times, while the EEPROM can withstand 100,000 write/erase cycles, ensuring long-term reliability for applications that require frequent data changes.
• Peripheral Features: Includes two flexible Timer/Counters with compare modes, an internal and external interrupts, a serial programmable USART, a programmable Watchdog Timer with internal oscillator, and an SPI serial port for connection with other microcontrollers and peripherals.
• Power Efficiency: Supports multiple power-saving modes, including Idle, ADC Noise Reduction, Power-down, Power-save, Standby, and Extended Standby, making it suitable for battery-operated and power-sensitive designs.
• In-System Programmable: The device supports in-system programming via SPI port, enabling easier updates and bug fixes, and features a boot code section with independent lock bits for protection.

Technical Specifications

• Operating Voltage: 1.8 - 5.5V
• Operating Temperature: -40°C to 85°C
• High endurance non-volatile memory segments
• Up to 20 MIPS throughput at 20MHz
• QFN/MLF and 20-pin PDIP packages

The ATTINY261A-MFR microcontroller is a testament to Microchip's commitment to providing advanced microcontroller solutions that empower designers to create innovative, efficient, and effective products. With its rich set of features and capabilities, this microcontroller is a versatile choice for many design projects.