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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 28SOIC
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
- 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：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 19x12b SAR; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°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 AVR16DD28T-I/SO is an 8-bit microcontroller from the AVR DD family, featuring a 16 KB Flash memory, 2 KB SRAM, and 256 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 with 19 channels, a 10-bit DAC, two USARTs, SPI, TWI, and Multi-Voltage I/O (MVIO). Packaged in a 28-pin SOIC, it supports industrial temperature ranges (-40°C to +85°C) and offers vertical migration compatibility within the family.
Feature Summary
- Multi-Voltage I/O (MVIO) capability on PORTC for flexible interface integration
- Integrated Event System for CPU-independent peripheral signaling
- Configurable Custom Logic (CCL) with four Look-up Tables
- Single-pin Unified Program and Debug Interface (UPDI)
Applications
- Industrial control systems requiring real-time processing
- Smart home appliances with multi-voltage sensor interfaces
- IoT nodes utilizing low-power sleep modes
- Automotive instrumentation panels
Procurement Notes
Verify the ordering suffix 'I' confirms the industrial temperature range (-40°C to +85°C) and 'SO' denotes the SOIC package. Confirm 'T' indicates tape and reel packaging. Ensure the specific part number matches the required memory size and pin count for your design. Cross-reference the datasheet revision for any errata or updates before finalizing procurement.
Selection Notes
Select this model when 16 KB of program memory and 2 KB of RAM are sufficient for the application logic. Choose the SOIC package for through-hole or standard surface-mount assembly needs. Opt for the industrial grade if operating environments exceed commercial limits but do not require extended automotive temperatures. Verify that the 28-pin footprint accommodates all necessary GPIO and peripheral connections.
Part Context
This component belongs to the AVR DD family, which emphasizes low power consumption and high performance. It shares architectural similarities with the AVR32DD and AVR64DD series, allowing for code reuse across different memory configurations. The family utilizes a unified RISC core optimized for 8-bit operations while supporting advanced digital peripherals.
Replacement Considerations
AVR16DD28T-E/SS: Extended temperature version (-40°C to +125°C). AVR32DD28T-I/SO: Higher memory capacity (32 KB Flash, 4 KB RAM). AVR64DD28T-I/SO: Maximum memory capacity (64 KB Flash, 8 KB RAM). All variants maintain pin and feature compatibility.
