AT97SC3205T-H3M4B-20

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Secure Microcontroller

Characteristics: - High level of security - Advanced cryptographic capabilities - Tamper-resistant design - Low power consumption

Package: H3M4B-20 (Surface Mount Package)

Essence: The AT97SC3205T-H3M4B-20 is a secure microcontroller designed to provide robust security features for various applications.

Packaging/Quantity: The AT97SC3205T-H3M4B-20 is typically packaged in reels and comes in quantities suitable for mass production.

Specifications

• Microcontroller Core: ARM Cortex-M3
• Operating Voltage: 2.7V to 3.6V
• Clock Frequency: Up to 50 MHz
• Memory:
  • Flash: 256 KB
  • SRAM: 32 KB
• Security Features:
  • Hardware-based encryption/decryption engine
  • True random number generator
  • Secure boot capability
  • Secure key storage
  • Physical tamper detection
• Communication Interfaces:
  • I2C
  • SPI
  • UART
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT97SC3205T-H3M4B-20 has a total of 64 pins, which are assigned for various functions including power supply, communication interfaces, GPIOs, and other specific functionalities. For the detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

1. High-Level Security: The AT97SC3205T-H3M4B-20 incorporates advanced security features to protect sensitive data and prevent unauthorized access.
2. Cryptographic Capabilities: The integrated hardware-based encryption/decryption engine enables secure communication and data storage.
3. Tamper-Resistant Design: Physical tamper detection mechanisms provide protection against unauthorized physical access attempts.
4. Low Power Consumption: The microcontroller is designed to operate efficiently with low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Strong security features ensure data integrity and confidentiality. - Versatile communication interfaces enable seamless integration into various systems. - Tamper-resistant design provides an additional layer of protection against physical attacks. - Low power consumption extends battery life in portable applications.

Disadvantages: - Higher cost compared to standard microcontrollers due to the added security features. - Complexity in implementation and programming may require specialized knowledge. - Limited memory capacity compared to non-security-focused microcontrollers.

Working Principles

The AT97SC3205T-H3M4B-20 utilizes a combination of hardware and software mechanisms to achieve its security objectives. It employs cryptographic algorithms to encrypt and decrypt data, ensuring secure communication and storage. The true random number generator enhances the generation of unpredictable values required for cryptographic operations. The secure boot capability ensures that only trusted firmware is executed during system startup, preventing unauthorized code execution. Additionally, physical tamper detection mechanisms trigger protective measures when tampering attempts are detected, such as erasing sensitive data or disabling the device.

Detailed Application Field Plans

The AT97SC3205T-H3M4B-20 is widely used in applications where data security is of utmost importance. Some potential application fields include:

1. Smart Cards: The microcontroller can be utilized in smart cards for secure transactions, access control, and identification purposes.
2. Secure IoT Devices: With its robust security features, the AT97SC3205T-H3M4B-20 is suitable for securing Internet of Things (IoT) devices, ensuring the integrity and confidentiality of data transmitted.
3. Payment Terminals: The microcontroller can be integrated into payment terminals to provide secure transaction processing and protect sensitive financial information.
4. Authentication Systems: It can be used in authentication systems, such as biometric scanners or keyless entry systems, to ensure secure access control.

Detailed and Complete Alternative Models

1. AT97SC3205T-H2M4B-20: Similar to the AT97SC3205T-H3M4B-20, but with a different package option.
2. AT97SC3205T-H3M4B-30: A higher-end version with extended memory capacity and additional security features.
3. AT97SC3205T-H3M4B-10: A lower-cost variant with reduced security features, suitable for applications with less stringent security requirements.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of available options.

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