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Product Detailed Parameters
- Description：32KB, RWW, 4KB RAM, 32P VQFN, 12
- Series：AVR® EA
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：20MHz
- Connectivity：I2C, IrDA, SMBus, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：27
- Program Memory Size：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 24x12b; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR32EA32T-E/RXB is an 8-bit microcontroller from the AVR EA family, featuring a 32 KB Flash memory with read-while-write capability, 4 KB SRAM, and 512 bytes of EEPROM. It operates at clock speeds up to 20 MHz within a supply voltage range of 1.8 V to 5.5 V. The device includes a 12-bit differential ADC with PGA, a 10-bit DAC, two analog comparators, three USARTs, SPI, TWI/I2C interfaces, and an Event System. It utilizes a VQFN-32 package and supports extended temperature operation from -40°C to +125°C.
Feature Summary
- AVR CPU with hardware multiplier running at up to 20 MHz
- True read-while-write Flash memory for uninterrupted code execution
- Integrated Event System for CPU-independent peripheral signaling
- Configurable Custom Logic (CCL) with programmable Look-up Tables
Applications
- Industrial control systems requiring multi-voltage I/O
- Smart home appliances and IoT devices
- Automotive embedded applications
- Real-time signal processing with analog peripherals
Procurement Notes
Verify the specific suffix 'E' confirms the extended temperature range (-40°C to +125°C) and 'RXB' denotes the VQFN-32 package type. Confirm the 'T' indicates tape and reel packaging. Ensure compatibility with UPDI programming tools. Check datasheet revision status as preliminary data may be subject to updates before final release.
Selection Notes
Select this part for designs needing simultaneous Flash reading and writing during execution. Choose based on the requirement for high-resolution analog inputs via the 12-bit ADC with PGA. Consider the VQFN-32 footprint constraints and the need for extended thermal performance in harsh environments compared to industrial grade variants.
Part Context
This component belongs to the AVR32EA28/32/48 series, which offers vertical migration without code modification due to pin and feature compatibility across the family. It shares the same core architecture and peripheral set as the AVR32EA28 and AVR32EA48, differing primarily in pin count and available I/O resources.
Replacement Considerations
Direct substitutes within the same family include AVR32EA28T-E/RXB and AVR32EA48T-E/RXB, provided pin counts match application requirements. Cross-family replacements require verification of instruction set compatibility and peripheral mapping.
