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AT97SC3205T-H3M4C20B

MCHPAT97SC3205T-H3M4C20B

Microchip Technology
AVR - Trusted Platform Module (TPM) Microcontroller IC EEPROM 32-VFQFN Exposed Pad
Active678 in stock

Overview

The AT97SC3205T-H3M4C20B is a turnkey Trusted Platform Module (TPM) based on an 8-bit AVR RISC core. It is fully compliant with the TCG TPM Version 1.2 specification and provides high-level security through hardware-based asymmetric cryptographic engines and secure storage for RSA keys. This 32-pin VQFN component serves as a hardware root of trust for embedded systems requiring robust authentication and integrity checking.

Why Choose This Part

This module is FIPS-140-2 certified, ensuring it meets rigorous security standards for random number generation and cryptographic processing. Its turnkey nature allows for immediate deployment without the need for custom firmware development, while the I2C interface simplifies integration with various host microprocessors.

Applications

Embedded System Integrity
Used to verify boot firmware and system software to prevent the execution of unauthorized or malicious code.
Secure Key Storage
Provides 2066 bytes of user-defined non-volatile storage for sensitive data and hardware-protected RSA key storage.
Network Authentication
Acts as a secure identity module for IoT gateways and industrial controllers to authenticate with cloud platforms or corporate networks.
Cryptographic Offloading
Offloads intensive RSA, SHA-1, and AES operations from the main system processor to dedicated hardware engines.

Key Specifications

Interface I2C
Applications Trusted Platform Module (TPM)
Mounting Type Surface Mount
Number of I/O 4
Core Processor AVR
Package / Case 32-VFQFN Exposed Pad
Voltage - Supply 3.3V
Program Memory Type EEPROM
Operating Temperature -40degC ~ 85degC
Supplier Device Package 32-VQFN (4x4)

Getting Started

Engineers can integrate the AT97SC3205T using the standard I2C interface and TCG-compliant software stacks. Development is typically supported by Microchip's security libraries and evaluation kits, such as the AC164153, which facilitate testing of TPM 1.2 functionality.