AT97SC3204-G4M44-00

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AT97SC3204-G4M44-00 is a secure microcontroller (MCU) chip introduced by Atmel Corporation. This device was initially released in 2007 and is the world\'s smallest industry-standard secure IC card chip. This chip is based on Atmel\'s AVR 8-bit MCU core, and it is secure against tampering, counterfeiting, and spurious memory access.

Application Field

As an embedded microcontroller designed for use in smartcards and SIM cards, AT97SC3204-G4M44-00 offers a wide range of security features for secure communication. The device is suitable for applications requiring tamper-proof assurance levels such as cryptographic hardware systems, secure communication, access control and identity verification. AT97SC3204-G4M44-00 is also ideal for use in mobile payments, authentication and authentication. Developing cards, secure SIM cards and secure ID cards.

Due to its low power consumption and small form factor, AT97SC3204-G4M44-00 is also suitable for use in energy efficient and/or space-constrained applications. Other applications include home point-of-sale (POS) terminals, digital ticketing systems and biometric devices.

Working Principle

Based on the 8051 core, AT97SC3204-G4M44-00 is designed for flexible and secure operation. The device contains a secure processor with a dedicated random number generator, as well as an integrated hardware randomizer. The integration of hardware randomizer allows the device to generate random numbers in a tamper-proof manner providing a high level of security. The device also contains a secure, multi-purpose cryptographic accelerator which can be used to rapidly carry out cryptographic processes such as encryption, decryption and authentication.

AT97SC3204-G4M44-00 also incorporates a secure real-time clock (RTC) with tamper detection capability. The RTC can be used to time-stamp data so that it can be securely stored in the device\'s memory, thus allowing for secure time-stamping of stored data. Furthermore, the chip comes with a unique serial number, allowing it to automatically identify its current status.

In order to ensure tamper-proof operation, AT97SC3204-G4M44-00 also contains on-chip memory protection technologies such as address scrambling and memory content protection to prevent undesired access and modification of the memory. In addition, built-in mechanisms, such as key diversification and rollback protection, can be used to protect data stored in the chip against unauthorized access.

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