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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 ~ 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 AVR64DD32T-E/PT is an 8-bit microcontroller from the AVR DD family, utilizing an 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 1.8V to 5.5V. It includes a 12-bit differential ADC, a 10-bit DAC, and multi-voltage I/O capabilities. The component is housed in a TQFP-32 package and supports extended industrial temperature ranges.
Feature Summary
- Multi-Voltage I/O (MVIO) on Port C enables bidirectional communication across different power domains without external level shifters.
- Configurable Custom Logic (CCL) provides four programmable Look-up Tables for custom digital logic implementation.
- Event System allows CPU-independent inter-peripheral signaling to reduce system latency.
- Integrated Zero-Cross Detector and Analog Comparator support precise signal processing and control applications.
Applications
- Industrial control systems requiring real-time processing
- Smart home appliances with mixed voltage domains
- IoT terminal nodes with sensor integration
- Automotive electronics meeting functional safety standards
Procurement Notes
Verify the ordering suffix 'E' confirms the extended temperature range (-40°C to +125°C). Confirm the 'PT' suffix indicates the TQFP-32 package type. Ensure the 'T' suffix matches the required tape and reel packaging format for automated assembly processes.
Selection Notes
Select this part when 64 KB of program memory and 8 KB of RAM are required for complex firmware. Choose the extended temperature grade for environments exceeding standard industrial limits. Consider the MVIO feature if interfacing with 5V peripherals while operating at lower core voltages.
Part Context
This component belongs to the AVR DD family, which offers vertical migration compatibility within the series. Devices in this family share pinouts and peripheral sets, allowing code reuse across different memory sizes and pin counts. The AVR64DD32 represents the high-memory variant of the 32-pin devices.
Replacement Considerations
AVR64DD32T-I/PT serves as a direct substitute with identical specifications but a restricted industrial temperature range (-40°C to +85°C).
