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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 28SPDIP
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tube
- 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：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：External, Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Supplier Device Package：28-SPDIP
- Package / Case：28-DIP (0.300", 7.62mm)
- Grade：-
- Qualification：-
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Overview
The AVR16DD28-I/SP is an 8-bit microcontroller from the AVR DD family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 16 KB of Flash memory, 2 KB of SRAM, and 256 bytes of EEPROM. The device operates within a supply voltage range of 1.8 V to 5.5 V and supports up to 22 general-purpose I/O pins. Key peripherals include a 12-bit ADC, 10-bit DAC, two USARTs, SPI, TWI/I2C, and multiple timers. It utilizes a single-pin UPDI interface for programming and debugging.
Feature Summary
- Supports multi-voltage I/O (MVIO) on PORT C for flexible interfacing across different power domains without external level shifters.
- Integrates intelligent analog features including a 12-bit differential ADC, 10-bit DAC, Analog Comparator, and Zero-Cross Detector.
- Features Configurable Custom Logic (CCL) with Look-up Tables and an Event System for low-latency peripheral-to-peripheral signaling.
Applications
- Industrial control systems requiring robust noise immunity and real-time processing
- Smart home appliances utilizing multi-voltage domain communication
- IoT devices needing efficient low-power operation and integrated sensing capabilities
Procurement Notes
Verify that the ordering suffix 'SP' corresponds to the 28-SPDIP package style as specified in the datasheet. Confirm the temperature grade 'I' matches the required industrial operating range of -40°C to +85°C. Ensure compatibility with existing design footprints for through-hole mounting.
Selection Notes
Select this component when 16 KB of program memory and 2 KB of RAM are sufficient for the application logic. Choose the SPDIP package if through-hole assembly is preferred over surface-mount options. Consider the AVR32DD28 variant if higher memory capacity is needed while maintaining pin compatibility.
Part Context
This part belongs to the AVR DD family, which emphasizes vertical migration capability without code modification. Devices within this family share identical pinouts and feature sets, differing primarily in memory size and pin count variants ranging from 14 to 32 pins.
Replacement Considerations
AVR32DD28-I/SP offers increased memory while maintaining pin compatibility. AVR16DD28-I/SS provides the same functionality in a surface-mount SSOP package. Verify that any substitute maintains the required industrial temperature rating and package dimensions.
