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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB 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：32KB (32K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：4K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 23x12b SAR; D/A 1x10b
- Oscillator Type：External, 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 AVR32DD32T-I/PT is an 8-bit microcontroller from the AVR DD Family, featuring a 32 KB Flash program memory and 4 KB SRAM. It operates at a maximum clock frequency of 24 MHz with a supply voltage range of 1.8 V to 5.5 V. The device includes a 12-bit ADC with 23 channels, a 10-bit DAC, two USARTs, SPI, and TWI interfaces. It utilizes a TQFP-32 package and supports industrial temperature ranges.
Feature Summary
- AVR CPU core with hardware multiplier running up to 24 MHz
- Multi-Voltage I/O (MVIO) support on PORTC for flexible interfacing
- Integrated Zero-Cross Detector (ZCD) for AC signal detection
- Configurable Custom Logic (CCL) with Look-up Tables
Applications
- AC power control systems utilizing zero-crossing detection
- Industrial sensor interfaces requiring multi-voltage compatibility
- General-purpose embedded control applications
- Battery-powered devices within specified voltage ranges
Procurement Notes
Verify the specific ordering suffix 'T' corresponds to tape and reel packaging requirements. Confirm that the 'I' designation matches the required -40°C to +85°C industrial operating temperature range. Ensure the TQFP-32 package style aligns with PCB footprint specifications before finalizing procurement orders.
Selection Notes
Select this component when 32 KB of Flash and 4 KB of RAM are sufficient for application code and data storage. Choose the AVR32DD32T-I/PT over other family members if the 24 MHz speed and 23-channel ADC count meet system requirements while maintaining a 32-pin form factor.
Part Context
This part belongs to the AVR DD Family, which offers vertical migration capabilities without code modification. It shares architectural similarities with AVR64DD and AVR16DD series devices, allowing for scalable design transitions based on memory and pin count needs within the same ecosystem.
Replacement Considerations
AVR32DD32T-E/RXB
FAQ
What is the function of the MVIO feature?
MVIO allows PORTC pins to operate at different voltage levels than the core supply, enabling direct interfacing with higher voltage peripherals.
How does the ZCD benefit the MCU?
The Zero-Cross Detector identifies the zero-crossing point of AC signals, facilitating precise timing for AC power control applications.
