AT97SC3205T-G3M46-10

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Application Field and Working Principle of AT97SC3205T-G3M46-10

Application

AT97SC3205T-G3M46-10 is a secure microcontroller developed by Atmel, and is mainly used for secure applications requiring robust security features, such as banking, payment, secure token, access control, and similar applications.

Features

The key features of AT97SC3205T-G3M46-10 include:

• High Security: AT97SC3205T-G3M46-10 utilizes AES-256 bit encryption, secure boot and key loading, RSA digital signing protocol, and true random number generator (RNG). These features provide the highest level of security for secure applications.
• Low Power Consumption: The AT97SC3205T-G3M46-10 utilizes an ultra-low-power design, allowing it to operate in environments where power is limited, such as battery-powered applications.
• Small Footprint: AT97SC3205T-G3M46-10 is an embedded secure microcontroller that comes in a small BGA package, making it ideal for space-restricted applications.

Working Principle

AT97SC3205T-G3M46-10 implements a secure boot process from the factory, which is used to ensure the authenticity and integrity of the code stored in the microcontroller. It also uses a cryptographic engine to provide protection to the stored code and secret keys.When power is applied to the microcontroller, the secure boot process is initiated. During this process, the firmware used to authenticate and load code into the microcontroller is authenticated using a digital signature. Once the digital signature has been authenticated, the code is securely loaded into the microcontroller.The digital signature used for authentication is generated using an RSA digital signature protocol. The RSA digital signature protocol is used to generate unique 128-bit signatures that can be used to distinguish legitimate code from malicious code. The RSA digital signature protocol also ensures that the code stored in the microcontroller is authentic and unmodified.The AT97SC3205T-G3M46-10 also utilizes an advanced encryption technology called AES-256 bit encryption. This encryption algorithm provides the highest level of security for data encryption and decryption.Once the code is securely deployed in the microcontroller, it will be executed by the microcontroller. The code can be used to control external devices, process data, or perform any other tasks required by the application.The AT97SC3205T-G3M46-10 also includes a true random number generator (RNG). This RNG is used to generate unique numbers that can be used to securely encrypt data and key material.

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