ATTINY28L-4MUR

Overview

The ATtiny28L-4MUR is an 8-bit microcontroller based on the AVR RISC architecture, manufactured by Microchip Technology. It features 2K bytes of Flash program memory and operates at speeds up to 4 MHz. The device supports a supply voltage range of 2.7V to 5.5V and includes 11 programmable I/O lines with a high-current LED driver. It incorporates an 8-bit Timer/Counter, an on-chip Analog Comparator, and a Programmable Watchdog Timer. The component is housed in a 32-pad MLF package.

Feature Summary

• Utilizes the AVR RISC Architecture for high-performance processing with most instructions executing in a single clock cycle.
• Includes a built-in high-current LED driver with programmable modulation capabilities.
• Features interrupt and wake-up functionality triggered by low-level inputs.
• Integrates an internal calibrated RC oscillator and a programmable Watchdog Timer.

Applications

• Embedded control applications requiring low-power operation
• Systems utilizing the high-current LED driver for display or indicator functions
• Industrial environments operating within the specified temperature range

Procurement Notes

Verify the specific ordering code against official documentation to ensure compatibility with required speed grades and package types. Confirm that the selected variant meets the necessary industrial temperature specifications and voltage requirements for your application design.

Selection Notes

Select this component when a cost-effective solution with moderate processing speed and integrated LED driving capability is required. Ensure the design accommodates the 2.7V to 5.5V supply voltage range and utilizes the available 11 I/O lines effectively.

Part Context

This part belongs to the ATtiny28 family, which combines an enhanced RISC 8-bit CPU with nonvolatile Flash memory. The series is designed to provide flexible and efficient solutions for embedded control tasks, balancing power consumption with processing throughput.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.