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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 32TQFP
- 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-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR32EA32T-E/PT 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, and multiple timers. It utilizes a TQFP-32 package and supports an extended industrial temperature range of -40°C to +125°C.
Feature Summary
- AVR CPU with hardware multiplier running at up to 20 MHz
- True read-while-write operation for Flash memory
- Integrated Event System for CPU-independent peripheral signaling
- Configurable Custom Logic (CCL) with programmable Look-up Tables
Applications
- Real-time control systems
- Sensor nodes
- Secondary safety monitoring applications
Procurement Notes
Verify the specific ordering suffix 'E' confirms the extended temperature rating (-40°C to +125°C) and 'T' indicates tape and reel packaging. Confirm the datasheet revision matches the design requirements. Ensure the UPDI programming interface compatibility with existing debuggers. Validate pinout alignment for the TQFP-32 package during PCB layout.
Selection Notes
Select this component when extended temperature performance is required alongside standard AVR EA features. The 32 KB Flash size suits moderate code complexity. Verify that the 27 available I/O pins meet system connectivity needs. Consider the 12-bit ADC resolution for precision analog sensing tasks requiring the integrated PGA.
Part Context
This part belongs to the AVR32EA28/32/48 series, which offers vertical migration without code modification across the family. It shares architectural similarities with other AVR EA devices but is distinguished by its specific memory configuration and extended temperature grade. The device integrates advanced digital peripherals and smart analog subsystems typical of the modern AVR architecture.
Replacement Considerations
AVR32EA32T-I/PT serves as a direct substitute if the extended temperature range is not critical, offering identical functionality within the industrial temperature range.
