ATTINY828R-MUR

Overview

The ATtiny828R-MUR 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 speeds up to 20 MHz with a supply voltage range of 1.7V to 5.5V. The device includes a 10-bit ADC with 32 channels, multiple timers, USART, SPI, and I2C interfaces. It is housed in 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 single-ended input channels
• Programmable watchdog timer and ultra-low power oscillators
• Support for serial communication protocols including USART, SPI, and I2C

Applications

• Battery-powered sensor nodes
• Industrial control systems
• Consumer electronics devices

Procurement Notes

Verify the specific suffix 'R' indicates tape and reel packaging configuration. Confirm the speed grade matches the required operating frequency for the target voltage range. Ensure the component meets RoHS compliance standards as specified by Microchip Technology.

Selection Notes

Select this model when 8K Flash memory and 28 general-purpose I/O lines are required. Consider the 1.7V minimum operating voltage for low-power applications. Verify that the 32-lead TQFP package fits the board layout constraints.

Part Context

This component belongs to the ATtiny828 family within the Microchip AVR portfolio. It shares architectural similarities with other ATtiny devices but offers specific memory sizes and peripheral configurations tailored for compact embedded applications.

Replacement Considerations

ATtiny828R-AUR

FAQ

What is the maximum clock frequency?

The ATtiny828 supports a maximum clock frequency of 20 MHz.

How many I/O lines are available?

The device provides 28 general-purpose I/O lines across Ports A, B, C, and D.

Does it include an internal oscillator?

Yes, it features a calibrated 8MHz oscillator and a calibrated 32kHz ultra-low power oscillator.