AVR64EA32T-I/RXB

Overview

The AVR64EA32T-I/RXB is an 8-bit microcontroller from the Microchip AVR® EA family, featuring a 32-pin TQFP package. It integrates 64 KB of system-in-programmable Flash with read-while-write capability, 6 KB of SRAM, and 512 bytes of EEPROM. The device operates at clock speeds up to 20 MHz and supports a supply voltage range of 1.8 V to 5.5 V. Key peripherals include a 12-bit differential ADC with PGA, a 10-bit DAC, two analog comparators, three USARTs, one SPI, and one TWI interface.

Feature Summary

• AVR CPU with hardware multiplier running at up to 20 MHz
• Flexible low-power architecture with Event System and advanced digital peripherals
• Accurate analog subsystems including 12-bit ADC with programmable gain amplifier
• True read-while-write operation for non-volatile memory

Applications

• Efficient real-time control systems
• Sensor nodes
• Secondary safety monitoring applications
• Closed-loop control system designs

Procurement Notes

Verify the specific ordering suffix 'RXB' against official Microchip documentation to confirm tape and reel carrier type and any unique packaging specifications. Ensure the industrial temperature grade (-40°C to +85°C) aligns with your environmental requirements. Cross-reference the datasheet revision DS40002443A for the most current electrical characteristics and pinout details before finalizing procurement.

Selection Notes

Select this component when vertical migration within the AVR EA family is required without code modification. It offers full pin and feature compatibility with other devices in the series. Consider this MCU for designs needing high-speed integrated analog features and kernel-independent peripherals. The 32-pin form factor provides a balance between I/O count and board space efficiency.

Part Context

This part belongs to the AVR64EA28/32/48 series, which utilizes the latest AVR technology for flexible and low-power architectures. The family supports horizontal migration to reduce pin counts and vertical migration for increased resources. These microcontrollers are designed for applications requiring efficient real-time processing and advanced analog capabilities.

Replacement Considerations

AVR64EA32T-I/PT

FAQ

What is the maximum operating frequency of the AVR64EA32?

The AVR64EA32 microcontroller runs at clock speeds up to 20 MHz.

Does the AVR64EA32 support simultaneous host and client operations on its I2C interface?

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