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Product Detailed Parameters
- Description：IC MCU 8BIT 64KB FLASH 32TQFP
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：AVR
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, IrDA, LINbus, RS-485, SPI, UART/USART
- Peripherals：Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O：26
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 23x12b SAR; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-TQFP (7x7)
- Package / Case：32-TQFP
- Grade：-
- Qualification：-
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Overview
The AVR64DD32T-I/PT is an 8-bit microcontroller from the AVR DD Family, utilizing the AVR CPU with a hardware multiplier. It features 64 KB of in-system self-programmable Flash memory, 8 KB of SRAM, and 256 bytes of EEPROM. The device operates at clock speeds up to 24 MHz within a supply voltage range of 1.8 V to 5.5 V. It includes a 12-bit differential ADC with 23 channels, a 10-bit DAC, analog comparators, and multiple communication interfaces including USART, SPI, and TWI/I2C. The component is housed in a TQFP-32 package and supports industrial temperature ranges.
Feature Summary
- Multi-Voltage I/O (MVIO) capability on PORT C for interfacing with different power domains
- Configurable Custom Logic (CCL) with four Look-up Tables for custom digital logic implementation
- Event System (EVSYS) enabling CPU-independent peripheral signaling and reduced latency
- Integrated Zero-Cross Detector (ZCD) and Analog Comparator for signal processing applications
Applications
- Industrial control systems requiring real-time processing
- Smart home appliances and consumer electronics
- Internet of Things (IoT) terminal nodes
- Motor control and power management circuits
Procurement Notes
Verify that the ordering suffix 'T' corresponds to Tape & Reel packaging as specified in the datasheet designation table. Confirm the 'I' suffix indicates the Industrial temperature range (-40°C to +85°C). Ensure the PT suffix matches the required TQFP-32 package style. Cross-reference the full part number against official Microchip documentation to validate all specifications before procurement.
Selection Notes
Select this component when 64 KB of Flash and 8 KB of SRAM are required alongside extensive analog peripherals. The MVIO feature is critical for designs involving mixed-voltage I/O without external level shifters. Consider the Event System and CCL for applications needing low-latency inter-peripheral communication independent of the CPU core.
Part Context
This device belongs to the AVR DD Family, which offers vertical migration compatibility across pin counts and memory sizes without code modification. It shares architectural similarities with other AVR DD variants but provides specific memory and peripheral configurations tailored for complex applications. The family emphasizes low-power performance and intelligent analog features.
Replacement Considerations
AVR64DD32T-E/RXB: Extended temperature variant in VQFN package. AVR64DD32T-I/RXB: Same electrical specs in VQFN package. AVR64DD28T-I/PT: Reduced pin count variant.
