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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 32TQFP
- Series：AVR® DB
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：AVR
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：25
- 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 13x12b; D/A 1x10b
- Oscillator Type：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 AVR32DB32-E/PT is an 8-bit microcontroller from the AVR DB family, featuring a 32 KB Flash memory, 4 KB SRAM, and 512 bytes of EEPROM. It operates at clock speeds up to 24 MHz with a supply voltage range of 1.8V to 5.5V. The device includes a 12-bit ADC, three analog comparators, one DAC, and two zero-cross detectors. It utilizes a TQFP-32 package and supports an extended industrial temperature range of -40°C to +125°C.
Feature Summary
- Supports vertical migration within the AVR DB family without code modification due to full pin and feature compatibility.
- Integrates Multi-Voltage I/O (MVIO) on Port C for flexible input voltage threshold selection.
- Features an automated cyclic redundancy check (CRCSCAN) for Flash program memory integrity verification.
Applications
- Industrial control systems requiring robust data retention and low-power operation
- Power control applications utilizing the optimized 12-bit PWM Timer/Counter type D
- Embedded devices needing high-precision analog signal conditioning with integrated op amps
Procurement Notes
Verify that the ordering suffix 'E' corresponds to the extended temperature range (-40°C to +125°C) as specified in the datasheet. Confirm the package style 'PT' matches the required TQFP-32 footprint. Ensure the design accounts for the specific memory map and peripheral availability defined for the AVR32DB32 variant within the broader DB family.
Selection Notes
Select this component when an extended operating temperature range is necessary compared to the standard industrial version. The device offers a balance of processing speed and analog peripherals suitable for mixed-signal applications. Consider the MVIO capability if interfacing with logic levels different from the core voltage.
Part Context
This part belongs to the AVR32DB28/32/48 series, which shares a common architecture with other members like the AVR64DB32 and AVR128DB32. These devices are designed for horizontal and vertical migration, allowing designers to scale pin counts and memory sizes while maintaining software compatibility across the family.
Replacement Considerations
AVR32DB32-I/PT serves as the direct functional substitute with an identical specification profile, differing only in the guaranteed operating temperature range.
