AT97SC3205T-U3A1C10B

Application Specific Microcontrollers Overview

The AT97SC3205T-U3A1C10B is a security IC implementing the Trusted Computing Group (TCG) TPM Version 1.2 specification. It integrates an Atmel AVR RISC microprocessor, hardware asymmetric crypto engine, and internal EEPROM for RSA keys. The device supports I2C communication at 400kHz Fast Mode or 100kHz Standard Mode. 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 NV storage for user-defined data and is available in 28-lead Thin TSSOP or 32-pad QFN packages.

Application Specific Microcontrollers Feature Summary

• Compliant with TCG TPM Version 1.2 Specification
• Hardware Asymmetric Crypto Engine with FIPS-140-2 Certification
• I2C Interface supporting 400kHz Fast Mode and 100kHz Standard Mode
• Internal EEPROM Storage for RSA Keys and 2066 bytes User Data

Application Specific Microcontrollers Applications

• Embedded systems requiring trusted platform module integration
• Hardware physical presence detection via PP/GPIO pin
• Secure key generation and management using certified RNG

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's addendum to confirm package type and temperature range. Confirm availability status as lead times may vary. Ensure the complete datasheet is accessible if detailed electrical parameters are required beyond this summary document.

Application Specific Microcontrollers Selection Notes

Select the 28-lead Thin TSSOP or 32-pad QFN package based on board space constraints. Choose the appropriate operational temperature range: Commercial (0°C to 70°C) or Industrial (-40°C to 85°C). Ensure the host system supports I2C communication at the required clock speeds and provides stable 3.3V power supply with adequate decoupling.

Application Specific Microcontrollers Part Context

This component belongs to the AT97SC3205T series of Trusted Platform Modules. It is designed as a single-chip turnkey solution for embedded security. The device utilizes an Atmel AVR RISC processor and includes secure hardware and firmware design elements to protect cryptographic operations.

Application Specific Microcontrollers Replacement Considerations

Consult the manufacturer's catalog for alternative part numbers within the AT97SC3205T family that match the required package and temperature grade. Verify compatibility with existing I2C bus configurations and pin assignments before substitution.