AT97SC3204-U2MA-20

Overview

Product Category

AT97SC3204-U2MA-20 belongs to the category of integrated circuits (ICs) and specifically falls under the family of secure microcontrollers.

Use

This product is primarily used for secure authentication and cryptographic operations in various applications, including but not limited to smart cards, embedded systems, and secure communication devices.

Characteristics

• Secure: Provides robust security features to protect sensitive data and prevent unauthorized access.
• High Performance: Offers fast processing capabilities for efficient execution of cryptographic algorithms.
• Low Power Consumption: Designed to operate with minimal power consumption, making it suitable for battery-powered devices.
• Compact Package: Comes in a small form factor package, allowing for easy integration into space-constrained designs.
• Enhanced Security Features: Incorporates advanced security mechanisms such as tamper detection and resistance against physical attacks.

Package and Quantity

The AT97SC3204-U2MA-20 is available in a surface-mount package, specifically the U2MA-20 package. It is typically supplied in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Microcontroller Core: ARM Cortex-M3
• Clock Frequency: Up to 50 MHz
• Memory:
  • Flash: 320 KB
  • RAM: 32 KB
• Cryptographic Accelerators:
  • AES (Advanced Encryption Standard)
  • DES (Data Encryption Standard)
  • RSA (Rivest-Shamir-Adleman)
• Interfaces:
  • I2C (Inter-Integrated Circuit)
  • SPI (Serial Peripheral Interface)
  • UART (Universal Asynchronous Receiver-Transmitter)
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C

Pin Configuration

The AT97SC3204-U2MA-20 features a total of 32 pins, which are assigned specific functions for various purposes. The detailed pin configuration is as follows:

(Pin Number) - (Pin Name) - (Function) 1 - VDD - Power Supply 2 - GND - Ground 3 - RESET - Reset Input 4 - XTAL1 - Crystal Oscillator Input 5 - XTAL2 - Crystal Oscillator Output 6 - NC - No Connection 7 - NC - No Connection 8 - NC - No Connection 9 - NC - No Connection 10 - NC - No Connection 11 - NC - No Connection 12 - NC - No Connection 13 - NC - No Connection 14 - NC - No Connection 15 - NC - No Connection 16 - NC - No Connection 17 - NC - No Connection 18 - NC - No Connection 19 - NC - No Connection 20 - NC - No Connection 21 - NC - No Connection 22 - NC - No Connection 23 - NC - No Connection 24 - NC - No Connection 25 - NC - No Connection 26 - NC - No Connection 27 - NC - No Connection 28 - NC - No Connection 29 - NC - No Connection 30 - NC - No Connection 31 - NC - No Connection 32 - NC - No Connection

Functional Features

The AT97SC3204-U2MA-20 offers several functional features that contribute to its secure operation and versatility. These include:

1. Secure Key Storage: The microcontroller provides dedicated hardware for securely storing cryptographic keys, ensuring their confidentiality and integrity.
2. Secure Boot: Implements a secure boot process to verify the authenticity and integrity of firmware during system startup.
3. Tamper Detection: Incorporates mechanisms to detect physical tampering attempts, such as voltage and temperature variations, protecting against unauthorized access.
4. Cryptographic Acceleration: Features hardware accelerators for common cryptographic algorithms, enabling efficient execution of encryption and decryption operations.
5. Secure Communication Interfaces: Supports various communication interfaces with built-in security features, ensuring secure data exchange between the microcontroller and external devices.

Advantages and Disadvantages

Advantages

• Strong Security: The AT97SC3204-U2MA-20 provides robust security features, making it suitable for applications requiring high levels of data protection.
• Versatility: With its wide range of cryptographic accelerators and communication interfaces, this microcontroller can be utilized in diverse applications.
• Compact Size: The small form factor package allows for easy integration into space-constrained designs.
• Low Power Consumption: The microcontroller operates with minimal power consumption, extending battery life in portable devices.

Disadvantages

• Limited Memory: The available flash and RAM memory may be insufficient for certain complex applications that require extensive storage or processing capabilities.
• Cost: The advanced security features and specialized functionality of the AT97SC3204-U2MA-20 may result in a higher price compared to standard microcontrollers without such features.

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