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Product Detailed Parameters
- Description：32KB,ECC,2XCPU,20MHZ,ERRCTRL,MVI
- Series：*
- Mfr：Microchip Technology
- Package：Tape & Reel (TR)
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- Voltage - Supply (Vcc/Vdd)：-
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Overview
The AVR32SD20T-I/SS is an 8-bit microcontroller from Microchip Technology, featuring the AVR core architecture. It integrates 32 kB of program memory with Error Correction Code (ECC) support and 4 kB of SRAM data memory. The device operates at a maximum clock frequency of 20 MHz within a supply voltage range of 2.7 V to 5.5 V. It includes dual CPU cores, 15 general-purpose I/O pins, and a 10-bit ADC with 13 channels. Communication interfaces comprise three USARTs, two SPIs, and two TWIs. Additional peripherals include two comparators, two zero-crossing detectors, two watchdog timers, and power-on reset functionality. The component is housed in a 20-SSOP package and supports surface-mount installation.
Feature Summary
- Dual CPU core architecture for enhanced processing capability
- Program memory with built-in Error Correction Code (ECC)
- Integrated analog comparators and zero-crossing detection circuits
- Multiple serial communication interfaces including USART, SPI, and TWI
Applications
- Industrial control systems requiring high reliability
- Motor control applications utilizing zero-crossing detection
- Embedded systems needing dual-core processing
- Data acquisition systems using integrated ADC and comparators
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's current datasheet before procurement. Confirm that the industrial temperature range (-40°C to +85°C) meets the operational requirements of the target environment. Ensure compatibility with the intended programming tools and debuggers for the AVR32SD series. Check for any recent product change notices or lifecycle status updates directly from Microchip Technology to ensure long-term availability.
Selection Notes
Select this component when dual-core processing and ECC protection are required in an 8-bit AVR architecture. It is suitable for designs needing multiple serial interfaces and analog features like comparators without external components. Consider the 20-SSOP package constraints for PCB layout. Compare against other AVR32SD variants if different memory sizes, pin counts, or temperature ranges are needed. Verify that the 2.7 V minimum supply voltage aligns with the system power design.
Part Context
This part belongs to the AVR32SD20 family of 8-bit microcontrollers designed by Microchip Technology. The family emphasizes reliability through ECC and dual-core capabilities. It targets applications demanding robust performance in industrial and consumer environments. The SSOP-20 package provides a compact solution for space-constrained designs while maintaining necessary peripheral connectivity.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Microchip Technology for direct cross-references or compatible alternatives within the AVR32SD family.
