AT97SC3205-X3A15-20

Application Specific Microcontrollers Overview

The AT97SC3205-X3A15-20 is a Trusted Platform Module (TPM) security IC 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, with typical PC operating ranges between 24MHz and 33MHz. It operates on a 3.3V supply voltage and includes FIPS-140-2 certified components such as a high-quality Random Number Generator (RNG), HMAC, AES, SHA, and RSA engines. The component provides 2066 bytes of non-volatile user-defined data storage.

Application Specific Microcontrollers Feature Summary

• Compliant with TCG TPM Version 1.2 and TIS Version 1.3 specifications
• Integrated hardware asymmetric crypto engine with FIPS-140-2 certification
• Supports SPI interface with clock speeds up to 45MHz
• Includes internal EEPROM for secure RSA key storage

Application Specific Microcontrollers Applications

• Personal computer security modules
• Embedded system authentication
• Hardware-based cryptographic key management

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 directly with authorized distributors or Microchip Technology sales offices, as lead times and stock levels fluctuate based on production schedules.

Application Specific Microcontrollers Selection Notes

Select this component when a turnkey TPM solution compliant with TCG Version 1.2 is required. Ensure the design accommodates the 3.3V supply voltage and utilizes the SPI interface. Verify that the chosen package variant matches the PCB layout constraints, either the 28-lead thin TSSOP or the 32-pad QFN.

Application Specific Microcontrollers Part Context

The AT97SC3205 series represents a fully integrated security module designed for OEM and ODM manufacturers. It serves as a single-chip turnkey solution, providing necessary firmware integration and supporting software drivers for various operating systems and BIOS environments during board assembly and verification.

Application Specific Microcontrollers Replacement Considerations

Consult the official AT97SC3205 Summary Part Number Selection Guide for verified substitute part numbers. Replacement selection must account for identical interface protocols, package dimensions, and temperature operating ranges.