AT97SC3205T-X3A1420B

Application Specific Microcontrollers Overview

The AT97SC3205T-X3A1420B 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 supports I2C communication at 400kHz Fast Mode or 100kHz Standard Mode. It operates on a 3.3V supply voltage and includes a FIPS-140-2 certified high-quality Random Number Generator (RNG). The component provides 2066 bytes of non-volatile user-defined data storage.

Application Specific Microcontrollers Feature Summary

• Compliant with Trusted Computing Group (TCG) TPM Version 1.2 Specification
• Integrated Atmel AVR RISC Microprocessor with Hardware Asymmetric 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 secure authentication
• Hardware physical presence detection
• Low-power sleep recovery mechanisms

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's summary part number selection guide to confirm package type and temperature range. Confirm current availability status as product lifecycles may change. Ensure compatibility with system decoupling requirements, specifically using X5R or X7R capacitors between VCC and GND pins.

Application Specific Microcontrollers Selection Notes

Select based on required operating temperature range: Commercial (0°C to 70°C) or Industrial (-40°C to 85°C). Choose between the 28-lead Thin TSSOP or 32-pad QFN package depending on board space constraints. Ensure the host system supports the I2C protocol speeds up to 400kHz and provides appropriate pull-up resistances (e.g., 800Ω for SM_DAT, 1.5KΩ for SM_CLK).

Application Specific Microcontrollers Part Context

This component belongs to the AT97SC3205T series of security ICs designed for embedded applications. It serves as a single-chip turnkey solution for implementing trusted platform functionalities. The device utilizes dynamic internal memory management for RSA keys without requiring system intervention for cache management.

Application Specific Microcontrollers Replacement Considerations

Consult the AT97SC3205T Summary Part Number Selection Guide for alternative packages or temperature grades within the same family. Verify pinout compatibility if substituting with other variants in the AT97SC3205T series.