AT97SC3204-U1M90

Application Specific Microcontrollers Overview

The AT97SC3204-U1M90 is a security module implementing the Trusted Computing Group (TCG) Trusted Platform Module (TPM) Version 1.2 specification. It integrates an AVR RISC microprocessor, hardware asymmetric crypto engine, and True Random Number Generator (RNG). The device supports 2048-bit RSA signing in 200ms and 1024-bit RSA signing in 40ms. SHA-1 acceleration operates at 20µs per 64-byte block. It communicates via a 33MHz LPC bus with SIRQ and CLKRUN support. The chip includes internal EEPROM for RSA keys and 1280 bytes of user-defined NV storage. It operates on a 3.3V supply voltage.

Application Specific Microcontrollers Feature Summary

• Full TCG TPM Version 1.2 compatibility
• Hardware RSA accelerator (2048-bit in 200ms)
• FIPS 140-2 compliant True Random Number Generator
• Integrated AVR RISC CPU and EEPROM

Application Specific Microcontrollers Applications

• Personal computer security platforms
• Embedded systems requiring hardware authentication
• Mobile computers utilizing clock stopping features

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors or direct channels. Confirm package type availability as the U1M90 suffix indicates specific manufacturing lot details. Ensure compliance with RoHS standards and check current production status before integration into designs.

Application Specific Microcontrollers Selection Notes

Select this component for applications requiring certified TPM 1.2 functionality. Verify interface compatibility with the host system's LPC controller. Consider thermal requirements based on the selected package variant and operating temperature range specifications.

Application Specific Microcontrollers Part Context

This part belongs to the AT97SC3204 family of security controllers originally developed by Atmel Corporation, now part of Microchip Technology. The series provides integrated cryptographic solutions for platform integrity verification and secure key storage in computing environments.

Application Specific Microcontrollers Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Cross-reference parameters such as pinout, voltage levels, and cryptographic performance capabilities when evaluating alternative components.