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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 32TQFP
- Series：AVR® DA
- 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：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 14x12b; 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 AVR32DA32-I/PT is an 8-bit microcontroller from the AVR DA family, featuring a 32 KB Flash memory, 4 KB SRAM, and 512B EEPROM. It operates at a maximum frequency of 24 MHz with a supply voltage range of 1.8V to 5.5V. The device includes a 12-bit ADC, three analog comparators, a DAC, six USARTs, two SPI interfaces, and TWI/I2C. It utilizes a TQFP-32 package and supports industrial temperature ranges.
Feature Summary
- Integrates intelligent analog features including a 12-bit differential ADC, three analog comparators, and a DAC for signal processing.
- Supports secure firmware upgrades through Program and Debug Interface Disable (PDID) mechanisms.
- Features a Peripheral Touch Controller (PTC) with Driven Shield+ technology for capacitive touch applications.
- Includes an Event System for CPU-independent inter-peripheral signaling and Configurable Custom Logic (CCL).
Applications
- Industrial control systems requiring robust I/O and communication interfaces
- Smart home devices utilizing capacitive touch controls via PTC
- Power management units using zero-cross detectors and high-speed timers
- Embedded sensors interfacing through multiple USART and SPI channels
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing design constraints regarding pinout and peripheral availability. Cross-reference datasheet DS40002228 for accurate electrical specifications before finalizing procurement decisions.
Selection Notes
Select this component for designs requiring vertical migration within the AVR DA family without code modification. Consider the 24 MHz operating speed and extensive peripheral set for complex embedded tasks. Evaluate power consumption requirements against the available sleep modes and low-power oscillators for battery-operated applications.
Part Context
This part belongs to the AVR32DA28/32/48(S) series, which shares a common architecture and instruction set. It offers horizontal migration options to reduce pin counts or vertical expansion to larger memory variants. The device leverages advanced digital peripherals and flexible analog features typical of the modern AVR DA family.
Replacement Considerations
AVR32DA28-SU and AVR32DA48-SU are compatible within the same family. Verify pin count differences and peripheral availability when substituting. Ensure software compatibility remains intact due to full feature and pin compatibility across the series.
