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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 28SOIC
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tube
- 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：22
- 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 19x12b SAR; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：28-SOIC
- Package / Case：28-SOIC (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The AVR32DD28-E/SO is an 8-bit microcontroller from the AVR DD family, featuring a 28-pin SOIC package. It utilizes an AVR CPU with hardware multiplier operating at up to 24 MHz. The device includes 32 KB of Flash memory, 4 KB of SRAM, and 256 bytes of EEPROM. Key peripherals include a 12-bit ADC, 10-bit DAC, analog comparator, zero-cross detector, and multiple communication interfaces such as USART, SPI, and TWI.
Feature Summary
- Supports multi-voltage I/O (MVIO) for level shifting between different power domains without external components.
- Integrates intelligent analog features including a differential ADC with programmable gain amplifier and precision voltage references.
- Provides advanced digital peripherals like Configurable Custom Logic (CCL) and an Event System for low-latency inter-peripheral signaling.
Applications
- Industrial control systems requiring real-time processing and robust noise immunity.
- Smart home appliances utilizing multi-voltage logic interfacing.
- IoT devices needing efficient peripheral management via event-driven architectures.
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing design constraints regarding pinout and memory configuration before procurement.
Selection Notes
Select this model when 32 KB Flash and 4 KB SRAM are sufficient for application requirements. Consider the extended temperature range (-40°C to +125°C) indicated by the 'E' suffix for harsh environments. Verify that the 28-pin SOIC package fits the PCB layout constraints.
Part Context
This component belongs to the AVR DD family, designed for vertical migration within the series. It shares pin and feature compatibility with other devices in the family, allowing for code reuse across different memory and pin count variants.
Replacement Considerations
AVR32DD28-E/SS
FAQ
What is the maximum clock frequency of the AVR32DD28-E/SO?
The device supports clock speeds up to 24 MHz.
Does the AVR32DD28-E/SO support multi-voltage I/O?
Yes, it features Multi-Voltage I/O (MVIO) on Port C, enabling bidirectional communication with devices operating at different voltage levels.
What is the resolution of the ADC on this microcontroller?
The AVR32DD28-E/SO includes a 12-bit differential Analog-to-Digital Converter (ADC).
