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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 32VQFN
- Series：AVR® DB
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：32-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR32DB32T-I/RXB 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, 10-bit DAC, three analog comparators, and multiple communication interfaces including USART, SPI, and TWI. It is housed in a 32-VQFN package and supports industrial temperature ranges.
Feature Summary
- Features a flexible architecture with an Event System for CPU-independent peripheral signaling.
- Includes accurate analog subsystems such as a differential ADC and op-amps for signal conditioning.
- Supports advanced digital peripherals like Configurable Custom Logic (CCL) and Zero-Cross Detectors.
- Provides Multi-Voltage I/O (MVIO) capabilities on specific ports for mixed-voltage applications.
Applications
- Industrial control systems requiring robust analog processing
- Smart energy metering devices utilizing zero-cross detection
- Motor control applications leveraging PWM timers and event systems
- Low-power embedded sensors with multi-voltage interface requirements
Procurement Notes
Verify the exact ordering suffix against the manufacturer's current datasheet to ensure correct package type and temperature rating. Confirm that the 'RXB' designation corresponds to the VQFN32 package and 'T' indicates tape and reel packaging. Cross-reference the revision level of the component with the latest errata documentation before finalizing procurement specifications.
Selection Notes
Select this component when a pin-compatible upgrade within the AVR DB family is required without code modification. Consider the 24 MHz maximum frequency and 1.8V to 5.5V operating range for system power budgeting. Evaluate the available peripheral count, specifically the number of ADC channels and timers, against application needs to ensure optimal resource utilization.
Part Context
This part belongs to the AVR32DB28/32/48 series, designed for vertical migration within the AVR DB family. It shares architectural similarities with other members but offers specific memory and pin configurations. The device integrates modern Microchip technologies for low-power operation and enhanced analog performance compared to legacy AVR controllers.
Replacement Considerations
AVR64DB32T-I/RXB
FAQ
What is the maximum operating frequency of the AVR32DB32T-I/RXB?
The microcontroller features an AVR CPU running at clock speeds up to 24 MHz.
Does the AVR32DB32 support Multi-Voltage I/O?
Yes, the device includes Multi-Voltage I/O (MVIO) functionality on I/O port C, allowing selectable input voltage thresholds.
What analog peripherals are included in this microcontroller?
It includes a 12-bit differential ADC, a 10-bit DAC, three analog comparators with window compare functions, and up to three op-amps for analog signal conditioning.
