AT97SC3205-X3A12-20

Application Specific Microcontrollers Overview

The AT97SC3205-X3A12-20 is a Trusted Platform Module (TPM) compliant with TCG TPM Version 1.2 and TIS Version 1.3 specifications. It integrates an Atmel AVR RISC microprocessor, hardware asymmetric crypto engine, and internal EEPROM for RSA key storage. The device supports the Serial Peripheral Interface (SPI) protocol with clock frequencies up to 45MHz. It includes a FIPS-140-2 certified high-quality Random Number Generator (RNG), HMAC, AES, SHA, and RSA engines. The component provides 2066 bytes of non-volatile user-defined data storage and operates on a 3.3V supply voltage.

Application Specific Microcontrollers Feature Summary

• Compliant with TCG TPM Version 1.2 and TIS Version 1.3 specifications
• Hardware Asymmetric Crypto Engine with FIPS-140-2 certification
• Internal EEPROM storage for RSA keys and 2066 bytes NV user data
• SPI interface supporting up to 45MHz clock frequency

Application Specific Microcontrollers Applications

• Personal computer security modules
• Embedded system authentication
• Secure hardware and firmware design integration

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the official Atmel Ordering Code table in the datasheet addendum to confirm package type and operating temperature range. Confirm that the complete catalog number matches the required commercial or industrial specification before procurement.

Application Specific Microcontrollers Selection Notes

Select based on the required package style: 28X1 for 28-pin thin TSSOP or 32M3 for 32-pad very thin QFN. Ensure the operating temperature range aligns with the application environment, choosing between Commercial (0°C to 70°C) or Industrial (-40°C to 85°C) variants as defined in the ordering information.

Application Specific Microcontrollers Part Context

This component belongs to the AT97SC3205 series of fully integrated security modules designed for OEM and ODM manufacturers. It serves as a turnkey solution for implementing Trusted Platform Modules in PC client platforms and embedded systems requiring secure cryptographic operations.

Application Specific Microcontrollers Replacement Considerations

Consult the AT97SC3205 Summary Part Number Selection Guide for verified cross-model alternatives within the same family. Verify pin compatibility and firmware requirements when substituting.