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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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- Core Size：-
- Speed：-
- Connectivity：-
- Peripherals：-
- Number of I/O：-
- Program Memory Size：-
- Program Memory Type：-
- EEPROM Size：-
- RAM Size：-
- Voltage - Supply (Vcc/Vdd)：-
- Data Converters：-
- Oscillator Type：-
- Operating Temperature：-
- Mounting Type：-
- Supplier Device Package：-
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- Qualification：-
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Overview
The AVR32SD32T-E/PT is an 8-bit microcontroller from the Microchip AVR family, featuring a 32 kB Flash program memory and 4 kB SRAM. It operates at a maximum clock frequency of 20 MHz within a TQFP-32 package. The device supports a supply voltage range of 1.8 V to 5.5 V and includes a 10-bit DAC. Key peripherals include three USARTs, two SPI interfaces, two TWI modules, and three comparators. It also features zero-crossing detection (ZCD), error control mechanisms, and power-on reset with delay (PDID). The operating temperature range extends from -40°C to +125°C.
Feature Summary
- Integrated dual-CPU architecture for enhanced processing capabilities
- Built-in Error Correction Code (ECC) for program memory integrity
- Advanced analog peripherals including multiple comparators and ZCD
- Robust safety features with ERRCTRL and extended temperature range
Applications
- Industrial control systems requiring high reliability
- Motor control applications utilizing zero-crossing detection
- Embedded systems needing ECC-protected memory
- Safety-critical embedded designs with extended temperature operation
Procurement Notes
Verify the specific suffix 'E' indicates the industrial temperature grade (-40°C to +125°C) as per official datasheets. Confirm the TQFP-32 package type matches your PCB footprint requirements. Ensure compatibility with the AVR32 SD series peripheral set before procurement. Check for any recent lifecycle notices regarding this specific part number.
Selection Notes
Select this component when ECC protection and dual-CPU functionality are required in an 8-bit AVR environment. It is suitable for designs needing wide voltage operation and high-temperature resilience. Compare against the AVR32DD and AVR32EA series if lower pin counts or different peripheral mixes are acceptable. Verify that the 20 MHz speed meets real-time processing demands.
Part Context
This part belongs to the AVR32 SD series, distinguished by its focus on safety and reliability through features like ECC and error control. Unlike the EA or DD series, the SD series emphasizes robustness for industrial environments. It shares the core AVR architecture but offers specific peripheral combinations tailored for fault-tolerant applications.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consider reviewing the broader AVR32 SD family for pin-compatible alternatives with varying memory sizes or peripheral sets.
