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Product Detailed Parameters
- Description：IC MCU 8BIT 32KB FLASH 20SOIC
- 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：16
- 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 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 AVR32DD20-E/SO is an 8-bit microcontroller from the AVR DD family, featuring a 24 MHz AVR CPU with hardware multiplier. It includes 32 KB of Flash memory, 4 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 an extended temperature range of -40°C to +125°C. Key peripherals include a 12-bit ADC with 13 channels, a 10-bit DAC, two USARTs, SPI, TWI/I2C, and Multi-Voltage I/O (MVIO). It is housed in a 20-pin SOIC package.
Feature Summary
- Multi-Voltage I/O (MVIO) capability on PORT C enables direct bidirectional communication with devices operating at different voltage levels without external level shifters.
- Integrated Event System allows for CPU-independent inter-peripheral signaling, reducing system latency and power consumption during data transfers.
- Configurable Custom Logic (CCL) provides four programmable Look-up Tables to implement custom digital logic functions independently of the CPU core.
Applications
- Industrial control systems requiring robust multi-voltage interface capabilities
- Smart home appliances utilizing low-power architectures and real-time control
- Automotive applications meeting ISO 26262 functional safety standards
Procurement Notes
Verify that the ordering suffix 'E' corresponds to the extended temperature range (-40°C to +125°C) and 'SO' indicates the SOIC-20 package. Confirm the specific revision status of the datasheet DS40002315 to ensure compatibility with current manufacturing specifications. Ensure the procurement channel sources genuine Microchip Technology components to maintain reliability.
Selection Notes
Select this component when an 8-bit MCU requires operation across a wide voltage range of 1.8V to 5.5V. The extended temperature rating makes it suitable for harsh environments where standard industrial grades are insufficient. The inclusion of MVIO simplifies board design by eliminating external level-shifting components for mixed-voltage interfaces.
Part Context
This part belongs to the AVR DD family, which offers vertical migration compatibility with other members like the AVR32DD28 or AVR64DD20. These devices share identical pinouts and peripheral sets, allowing code reuse across different memory configurations. The family utilizes the Unified Program and Debug Interface (UPDI) for programming and debugging.
Replacement Considerations
AVR32DD20-I/SO serves as a lower-temperature variant of this component. Substitution is possible only if the application environment remains within the industrial temperature range (-40°C to +85°C).
