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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 32VQFN
- Series：AVR® DA
- 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：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-VQFN (5x5)
- Package / Case：32-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AVR32DA32T-I/RXB is an 8-bit microcontroller from the AVR DA family, featuring a 24 MHz CPU, 32 KB Flash, 4 KB SRAM, and 512 B EEPROM. It utilizes a 32-pin VQFN package (RXB suffix) with tape-and-reel packaging (T suffix). Operating within a voltage range of 1.8 V to 5.5 V and an industrial temperature range of -40°C to +85°C, it includes peripherals such as a 12-bit ADC, DAC, ZCD, PTC, and multiple communication interfaces.
Feature Summary
- Supports vertical migration without code modification across the AVR DA(S) family due to full pin and feature compatibility.
- Integrates intelligent analog features including a Peripheral Touch Controller (PTC) with Driven Shield+ technology for capacitive touch applications.
- Provides advanced digital peripherals like Configurable Custom Logic (CCL) and an Event System for CPU-independent inter-peripheral signaling.
Applications
- Capacitive touch interface implementations using buttons, sliders, or wheels
- Power control systems utilizing Timer/Counter type D and Zero-Cross Detectors
- Industrial automation devices requiring robust I/O and programmable logic
Procurement Notes
Verify that the RXB suffix corresponds to the 32-VQFN package and the T suffix indicates tape-and-reel delivery. Confirm the I suffix matches the required industrial temperature range (-40°C to +85°C). Ensure the ordering part number aligns with the specific memory configuration and peripheral set defined in the official datasheet DS40002228.
Selection Notes
Select this component when a 32-pin surface-mount solution is required for the AVR DA series. The tape-and-reel format supports automated assembly processes. Consider the device's 24 MHz performance and integrated analog peripherals if low-power operation and touch sensing capabilities are necessary for the design.
Part Context
This device belongs to the AVR® DA(S) family, which employs the latest Microchip technologies for flexible, low-power architectures. The family allows horizontal migration to reduce pin counts and vertical migration without code changes. The AVR32DA32 variant specifically offers 32 KB Flash and 4 KB SRAM in a compact footprint.
Replacement Considerations
AVR32DA32-E/RXB (Extended temperature)
FAQ
What does the 'S' designation signify in the AVR32DA32(S) family?
The 'S' designation indicates that the device includes the Program and Debug Interface Disable (PDID) feature, which prevents unauthorized access to the reprogrammable Flash memory over the UPDI interface.
How does the Event System benefit peripheral interaction?
The Event System enables CPU-independent and predictable inter-peripheral signaling, allowing peripherals to communicate directly without consuming CPU cycles.
