AT97SC3205-G3M45-00

Overview

The AT97SC3205-G3M45-00 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 at frequencies up to 45MHz, typically operating between 24MHz and 33MHz on PCs. It operates on a 3.3V supply voltage and includes FIPS-140-2 certified modules for RNG, HMAC, AES, SHA, and RSA. The component provides 2066 bytes of non-volatile user-defined data storage.

Feature Summary

• Compliant with TCG TPM Version 1.2 and TIS Version 1.3
• Integrated Hardware Asymmetric Crypto Engine and AVR RISC Microprocessor
• Internal EEPROM Storage for RSA Keys
• FIPS-140-2 Certified Modules (RNG, HMAC, AES, SHA, RSA)
• SPI Protocol Support Up to 45MHz

Applications

• Personal Computers
• Embedded Systems

Procurement Notes

Verify the specific package type required for the design, as the base model supports both 28-lead Thin TSSOP and 32-pad QFN packages. Confirm that the ordering suffix corresponds to the desired temperature range and package configuration before procurement.

Selection Notes

Select this component for applications requiring TCG TPM 1.2 compliance and SPI connectivity. Ensure the system design accommodates a 3.3V supply voltage and allows for proper decoupling of VCC pins within 5mm to ensure reliable operation.

Part Context

This component belongs to the AT97SC3205 series of security ICs manufactured by Microchip Technology (formerly Atmel). It serves as a single-chip turnkey solution for implementing trusted platform functionality in embedded systems and PC clients.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.