AVR32SD20T-E/SS

$1.05

Description：32KB,ECC,2XCPU,20MHZ,ERRCTRL,MVI
Series：*
Mfr：Microchip Technology
Package：Tape & Reel (TR)
Core Processor：-

SKU:dbe84e1d38c5 Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：32KB,ECC,2XCPU,20MHZ,ERRCTRL,MVI
Series：*
Mfr：Microchip Technology
Package：Tape & Reel (TR)
Core Processor：-
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：-
Package / Case：-
Grade：-
Qualification：-

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AVR32SD20T-E/SS

Overview

The AVR32SD20T-E/SS is an 8-bit microcontroller from the AVR32SD series, manufactured by Microchip Technology. It features a 32 kB program memory size and 4 kB data RAM size within a SSOP-20 package. The device operates with a maximum clock frequency of 20 MHz and supports a data bus width of 8 bit. It provides 15 I/O lines and includes a 10 bit ADC resolution with 13 channels. The power supply voltage ranges from a minimum of 2.7 V to a maximum of 5.5 V. The component supports SMD/SMT installation style and functions within a temperature range from - 40 C to + 125 C.

Feature Summary

AVR CPU core combined with hardware multiplier for efficient processing
Dual-core lockstep CPU configuration for enhanced reliability
Single error correction and double error detection (SECDED) ECC on flash, SRAM, and EEPROM
Error controller and programming/debug interface disable (PDID) for functional safety

Applications

Automotive safety systems compliant with ISO 26262 ASIL C
Industrial automation equipment requiring IEC 61508 SIL 2 standards
Medical devices demanding high reliability and error detection
Consumer electronics utilizing advanced digital peripherals

Procurement Notes

Verify current orderability status as the component may be listed as not currently orderable in some distributor catalogs. Confirm package type matches SSOP-20 requirements. Ensure compatibility with 2.7V to 5.5V operating voltage ranges. Check for specific revision levels or errata sheets relevant to the dual-core lockstep implementation. Validate that the selected variant meets the required industrial temperature specifications.

Selection Notes

Select this MCU when functional safety certifications such as ISO 26262 ASIL C are mandatory. Choose the AVR32SD20T-E/SS for designs requiring dual-core redundancy and ECC protection. Consider this part for applications needing robust error control mechanisms like CRCSCAN. Evaluate the 20MHz performance against system timing constraints. Ensure the 15 I/O count suffices for the target peripheral interface requirements.

Part Context

This component belongs to the AVR32SD family, which integrates AVR architecture with safety-focused features. The series targets markets requiring high integrity, including automotive and industrial sectors. It distinguishes itself through hardware-based security and fault tolerance mechanisms. The T-E/SS suffix indicates the specific temperature grade and surface-mount packaging format.