ATTINY828R-MU

Overview

The ATtiny828R-MU is an 8-bit AVR microcontroller featuring 8K bytes of in-system programmable Flash, 512 bytes of SRAM, and 256 bytes of EEPROM. It operates at a maximum clock frequency of 20 MHz with a supply voltage range of 1.7V to 5.5V. The device includes a 10-bit ADC, multiple timers, and serial interfaces within a 32-lead TQFP package.

Feature Summary

• Advanced RISC architecture delivering up to 20 MIPS throughput at 20 MHz
• Integrated analog-to-digital converter with 28 external input channels
• Supports full-duplex USART, SPI, and I2C communication protocols
• Includes calibrated internal oscillators for timing stability

Applications

• Battery-powered sensor nodes requiring low power consumption
• Industrial control systems utilizing serial communication interfaces
• Consumer electronics employing high-current drive capabilities

Procurement Notes

Verify the specific speed grade suffix against the required operating frequency and voltage conditions. Confirm package type matches the design footprint. Check datasheet revisions for any pinout or electrical characteristic updates before finalizing procurement specifications.

Selection Notes

Select this component when a balance of processing speed and memory capacity is needed for 8-bit applications. Consider the available I/O lines and peripheral set relative to system requirements. Evaluate power modes such as Idle or Power-down if energy efficiency is a primary design constraint.

Part Context

This device belongs to the ATtiny family of 8-bit AVR microcontrollers manufactured by Microchip Technology. It utilizes the enhanced RISC core architecture common to the series, providing efficient code execution and flexible peripheral integration for embedded control tasks.

Replacement Considerations

Consult official substitution lists for compatible devices with similar memory sizes and pin counts. Verify that alternative components support the same voltage ranges and interface peripherals required by the existing circuit design.