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Product Detailed Parameters
- Description：IC MCU 8BIT 64KB FLASH 28SOIC
- Series：AVR® DD
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：16
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：256 x 8
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.8V ~ 5.5V
- Data Converters：A/D 13x12b SAR; D/A 1x10b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：20-SOIC
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The AVR64DD20T-E/SO is a microcontroller from the AVR DD Family, featuring an AVR CPU with hardware multiplier running at clock speeds up to 24 MHz. It includes 64 KB of Flash memory, 8 KB of SRAM, and 256 bytes of EEPROM. The device operates within an extended temperature range of -40°C to +125°C and is housed in a 28-pin SOIC package. Supply voltage ranges from 1.8V to 5.5V.
Feature Summary
- Supports flexible low-power architecture with Event System and intelligent analog features
- Includes advanced digital peripherals such as configurable custom logic and multiple timer/counter types
- Features multi-voltage I/O capabilities on specific ports for versatile interface options
Applications
- Industrial control systems requiring extended temperature operation
- Power management applications utilizing optimized PWM timers
- Embedded systems needing robust analog-to-digital conversion capabilities
Procurement Notes
Verify the ordering suffix 'T' indicates tape and reel packaging and 'E' denotes the extended temperature grade. Confirm 'SO' corresponds to the SOIC package style. Ensure compatibility with the AVR DD Family pinout for migration purposes. Cross-reference datasheet DS40002315C for complete electrical specifications.
Selection Notes
Select this component when 64 KB Flash and 8 KB SRAM are required alongside 28-pin availability. Consider the extended temperature rating for harsh environments. Evaluate peripheral needs against the shared feature set of the AVR DD Family, including TWI, SPI, and USART interfaces.
Part Context
This part belongs to the AVR64DD20 variant within the broader AVR DD Family. It shares architectural similarities with the AVR64DD28 and AVR64DD32 but offers fewer pins. Vertical migration within the family allows code reuse without modification, facilitating scalable design transitions.
Replacement Considerations
AVR64DD28T-E/SO and AVR64DD32T-E/SO are pin-compatible alternatives within the same family. Verify that the reduced pin count of the DD20 does not impact existing circuit designs before substituting with higher pin-count variants.
