AVR16EB28-I/STX

Overview

The AVR16EB28-I/STX is an 8-bit microcontroller from the AVR EB Family, featuring a 20 MHz AVR CPU with hardware multiplier. It includes 16 KB of Flash memory with read-while-write capability, 2 KB of SRAM, and 512 bytes of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports industrial temperature ranges (-40°C to +85°C). Key peripherals include a 12-bit ADC with PGA, two TCBs, one TCE, one TCF, USART, SPI, TWI/I2C, and an Event System.

Feature Summary

• Features a flexible low-power architecture with an Event System for CPU-independent inter-peripheral signaling.
• Includes accurate analog subsystems such as a 12-bit differential ADC with programmable gain amplifier and dual analog comparators.
• Supports vertical migration without code modification across the AVR EB family due to full pin and feature compatibility.
• Integrates advanced digital peripherals including Configurable Custom Logic (CCL) Look-up Tables and Waveform Extension.

Applications

• Embedded systems requiring low-power operation and high precision analog input processing.
• Industrial control applications utilizing the robust peripheral set and extended temperature range.
• Signal measurement tasks leveraging the hardware multiplier and timer capture capabilities.

Procurement Notes

Verify the specific ordering suffix against the manufacturer's datasheet to confirm package type and temperature grade. Ensure that any design-in process accounts for the preliminary status if applicable. Confirm availability through authorized distributors and check for any product change notifications or lifecycle updates prior to final procurement decisions.

Selection Notes

Select this component when a balance of 8-bit processing power and rich analog/digital peripherals is required. Consider the AVR EB family for its single-cycle I/O access and hardware multiplier efficiency. Evaluate the 28-pin VQFN package constraints against board space requirements and thermal dissipation needs for the target application environment.

Part Context

This part belongs to the AVR EB Family, which utilizes the latest Microchip technology for flexible and low-power architectures. The family emphasizes vertical migration capabilities, allowing developers to scale pin counts while maintaining software compatibility. It represents a modern evolution in the AVR line, integrating enhanced analog features and event-driven system management.

Replacement Considerations

AVR16EB28-E/STX

FAQ

What is the maximum operating frequency of the AVR16EB28-I/STX?

The device runs at clock speeds up to 20 MHz.

Does the AVR16EB28-I/STX support simultaneous host and client operations on the TWI interface?

Yes, the TWI/I2C can operate simultaneously as a host and client on different pins.