AT97SC3204-X4A13-20

Application Specific Microcontrollers Overview

The AT97SC3204-X4A13-20 is a security module 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 key storage. The device communicates via a 33MHz Low Pin Count (LPC) bus and includes a FIPS 140-2 compliant Random Number Generator. It operates on a 3.3V supply voltage and provides 1756 bytes of NV storage for user-defined data.

Application Specific Microcontrollers Feature Summary

• Compliant with TCG TPM Version 1.2 and TIS Version 1.2 specifications
• Hardware asymmetric crypto engine supporting 2048-bit RSA signatures in 200ms
• Integrated Atmel AVR RISC microprocessor with internal EEPROM
• FIPS 140-2 compliant internal high-quality Random Number Generator

Application Specific Microcontrollers Applications

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

Application Specific Microcontrollers Procurement Notes

Verify package configuration against ordering codes. The datasheet specifies 28X1 for thin TSSOP and 40ML1 for QFN packages. Confirm temperature range requirements match commercial or industrial grades. Contact local sales offices for complete catalog number details as the summary document references an addendum for full ordering information.

Application Specific Microcontrollers Selection Notes

Select based on interface compatibility and physical footprint. The device supports 28-lead thin TSSOP, 28-lead wide TSSOP, or 40-pad QFN packages. Ensure the design accommodates the 33MHz LPC bus signals including LRESET#, LAD0-3, LCLK, and SERIRQ. Verify thermal management aligns with the selected operating temperature range.

Application Specific Microcontrollers Part Context

This component belongs to the AT97SC3204 series of Trusted Platform Modules manufactured by Microchip Technology (formerly Atmel). The series provides turnkey security solutions for OEM and ODM manufacturers, integrating firmware and necessary device drivers for PC client platforms.

Application Specific Microcontrollers Replacement Considerations

Consult the AT97SC3204 datasheet addendum for alternative ordering codes and package variations. Verify pinout compatibility when substituting between TSSOP and QFN variants.