AT97SC3204-X2MA-20

Overview

The AT97SC3204-X2MA-20 is a security integrated circuit manufactured by Microchip Technology, functioning as a Trusted Platform Module (TPM) compliant with the TCG TPM version 1.2 specification. It utilizes an AVR RISC microprocessor and features a hardware asymmetric crypto engine for RSA key operations. The device communicates via a 33MHz Low Pin Count (LPC) bus and includes an internal high-quality Random Number Generator (RNG). It operates on a 3.3V supply voltage and supports NV storage for user-defined data.

Feature Summary

• Fully compliant with TCG TPM version 1.2 and TCG PC Client-specific TPM Interface Specification (TIS) version 1.2.
• Integrates an Atmel AVR RISC microprocessor with a hardware crypto engine capable of computing 2048-bit RSA signatures in 200ms.
• Features a FIPS 140-2 compliant internal Random Number Generator (RNG) for secure key generation.
• Provides 1756 bytes of non-volatile storage space for user-defined data alongside EEPROM storage for RSA keys.

Applications

• Personal computer security modules
• Embedded systems requiring trusted platform functionality
• Mobile computers utilizing LPCPD# for power savings

Procurement Notes

Verify the specific package type and temperature range associated with the suffixes in the part number against official documentation. Confirm that the ordering code matches the required industrial or commercial operating specifications before procurement.

Selection Notes

Select this component when a turnkey solution for TPM 1.2 implementation is required. Ensure the design accommodates the 3.3V supply voltage and the 33MHz LPC interface timing requirements. Verify compatibility with the target operating system drivers provided by the manufacturer.

Part Context

This component belongs to the AT97SC3204 series of Trusted Platform Modules designed for integration into PCs and embedded systems. It serves as a single-chip security solution offering cryptographic acceleration and secure storage capabilities for authentication and data integrity.

Replacement Considerations

Consult the AT97SC3204 Summary Part Number Selection Guide for verified alternative packages or temperature grades within the same family. No cross-model substitutes are confirmed in the provided source material.

FAQ

What is the maximum clock frequency for the LPC interface?

The LPC interface operates at a maximum frequency of 33MHz.

Is the internal RNG certified?

Yes, the internal high-quality Random Number Generator (RNG) is FIPS 140-2 compliant.

How much user-defined NV storage is available?

The chip provides 1756 bytes of non-volatile storage space for user-defined data.