AT97SC3205T-G3M4C20B

Application Specific Microcontrollers Overview

The AT97SC3205T-G3M4C20B is a Trusted Platform Module (TPM) compliant with the TCG TPM Version 1.2 specification. It integrates an Atmel AVR RISC microprocessor, hardware asymmetric crypto engine, and internal EEPROM for RSA key storage. The device operates on a 3.3V supply voltage and supports I2C communication at 400kHz Fast Mode or 100kHz Standard Mode. 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 NV storage for user-defined data and is available in commercial temperature ranges.

Application Specific Microcontrollers Feature Summary

• Compliant with Trusted Computing Group (TCG) TPM Version 1.2 Specification
• Integrated Atmel AVR RISC Microprocessor with Hardware Crypto Engine
• FIPS-140-2 Certified RNG, HMAC, AES, SHA, and RSA Engines
• I2C Interface supporting 400kHz Fast Mode and 100kHz Standard Mode

Application Specific Microcontrollers Applications

• Embedded systems requiring hardware-based security modules
• Secure boot and platform authentication implementations
• RSA key generation and storage within embedded devices

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current catalog to confirm package type and temperature range. Confirm availability status as product lifecycles may change. Ensure compatibility with the host system's I2C pull-up requirements for stable operation at rated speeds.

Application Specific Microcontrollers Selection Notes

Select based on required interface speed and operating temperature range. The device supports both Commercial (0°C to 70°C) and Industrial (-40°C to 85°C) ranges. Ensure the host system can provide the necessary 3.3V supply with adequate decoupling capacitance between 2200pF and 4700pF near the VCC pins.

Application Specific Microcontrollers Part Context

This component belongs to the AT97SC3205T series of security ICs designed for trusted computing applications. It serves as a single-chip turnkey solution for implementing TPM functionality in embedded environments, combining cryptographic processing with secure non-volatile memory management.

Application Specific Microcontrollers Replacement Considerations

Consult the official AT97SC3205T Summary Part Number Selection Guide for verified alternative part numbers. Substitutions must match the specific package configuration and operational temperature range requirements.