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Product Detailed Parameters
- Description：IC MCU 8BIT 128KB 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：27
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K 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 AVR128DB32T-I/RXB is an 8-bit microcontroller from the AVR DB family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 128 KB of Flash memory, 16 KB of SRAM, and 512 bytes of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports industrial temperatures from -40°C to +85°C. Key peripherals include a 12-bit ADC, 10-bit DAC, three analog comparators, and multiple timers. It utilizes a 32-pin VQFN package.
Feature Summary
- Features Multi-Voltage I/O (MVIO) on Port C for flexible interfacing.
- Includes Configurable Custom Logic (CCL) with programmable Look-up Tables.
- Supports Event System for CPU-independent peripheral signaling.
- Integrates Analog Signal Conditioning with op amps and internal resistor ladders.
Applications
- Industrial control systems requiring robust signal conditioning
- Smart energy metering applications
- Motor control designs utilizing PWM and zero-cross detection
- Sensor interface modules with multi-voltage requirements
Procurement Notes
Verify the specific suffix 'I/RXB' against the manufacturer's official datasheet DS40002247A to confirm temperature grade and packaging type. Ensure compatibility with UPDI programming interfaces. Check for RoHS compliance status in current documentation revisions before finalizing procurement orders.
Selection Notes
Select this component when 128 KB of program memory and 16 KB of data RAM are required within a compact 32-pin footprint. Consider the AVR DB family for its high-performance analog subsystems and event-driven architecture. Evaluate the MVIO capability if mixed-voltage logic levels are present in the target application design.
Part Context
This part belongs to the AVR128DB series, which offers vertical migration compatibility within the AVR DB family. It shares pinouts and features with other variants like AVR128DB28, AVR128DB48, and AVR128DB64, allowing for scalable design transitions without code modification across the product line.
Replacement Considerations
AVR128DB28T-I/RXB, AVR128DB48T-I/RXB, and AVR128DB64T-I/RXB are pin-compatible alternatives within the same family offering different memory sizes or pin counts.
