AT97SC3205-G3M4500B

Product Overview

Category: Integrated Circuit (IC)

Use: Secure Microcontroller

Characteristics: - High level of security - Advanced cryptographic features - Robust protection against physical and logical attacks

Package: G3M4500B

Essence: The AT97SC3205-G3M4500B is a secure microcontroller designed to provide a high level of security for various applications.

Packaging/Quantity: The AT97SC3205-G3M4500B is available in a G3M4500B package, with a quantity of one per package.

Specifications

The specifications of the AT97SC3205-G3M4500B include:

• Microcontroller Core:

  • 32-bit ARM Cortex-M3 processor
  • Clock frequency: up to 50 MHz
  • Memory: 256 KB Flash, 16 KB SRAM

• Security Features:

  • Hardware-based cryptographic accelerators
  • True random number generator
  • Secure boot and secure firmware update mechanisms
  • Tamper detection and response mechanisms

• Communication Interfaces:

  • I2C interface
  • UART interface
  • SPI interface

• Power Supply:

  • Voltage range: 2.7V to 3.6V

• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT97SC3205-G3M4500B has a specific pin configuration as follows:

1. VDD: Power supply voltage
2. VSS: Ground
3. RESET: Reset input
4. GPIO0: General-purpose input/output pin
5. GPIO1: General-purpose input/output pin
6. SDA: I2C data line
7. SCL: I2C clock line
8. UART_TX: UART transmit pin
9. UART_RX: UART receive pin
10. SPI_MISO: SPI master input, slave output pin
11. SPI_MOSI: SPI master output, slave input pin
12. SPI_CLK: SPI clock pin
13. SPI_CS: SPI chip select pin

Functional Features

The AT97SC3205-G3M4500B offers the following functional features:

1. High-Level Security:

   • Advanced cryptographic algorithms for secure data storage and communication.
   • Protection against physical attacks such as tampering and side-channel attacks.

2. Secure Boot and Firmware Update:

   • Ensures that only authorized firmware is executed on the microcontroller.
   • Provides a secure mechanism to update the firmware.

3. Hardware-Based Cryptographic Accelerators:

   • Accelerates cryptographic operations, ensuring fast and efficient execution of security algorithms.

4. True Random Number Generator:

   • Generates random numbers that are essential for secure key generation and encryption.

Advantages and Disadvantages

Advantages: - High level of security with robust protection against attacks. - Advanced cryptographic features for secure data storage and communication. - Secure boot and firmware update mechanisms ensure the integrity of the system. - Hardware-based cryptographic accelerators provide fast and efficient execution of security algorithms.

Disadvantages: - Limited memory capacity (256 KB Flash, 16 KB SRAM) compared to some other microcontrollers. - Higher cost compared to non-secure microcontrollers.

Working Principles

The AT97SC3205-G3M4500B works based on the principles of secure microcontroller technology. It utilizes advanced cryptographic algorithms and hardware-based security features to protect sensitive data and ensure the integrity of the system. The microcontroller's secure boot mechanism ensures that only authorized firmware is executed, preventing unauthorized access or tampering.

The hardware-based cryptographic accelerators provide fast and efficient execution of security algorithms, enabling secure data storage and communication. The true random number generator generates unpredictable numbers essential for secure key generation and encryption.

Detailed Application Field Plans

The AT97SC3205-G3M4500B is suitable for a wide range of applications that require a high level of security, such as:

1. Smart Cards:

   • Securely store sensitive information like financial data or personal identification.
   • Enable secure transactions and authentication.

2. IoT Devices:

   • Securely connect and communicate with other devices in the Internet of Things (IoT) ecosystem.
   • Protect against unauthorized access and data breaches.

3. Industrial Control Systems:

   • Ensure the integrity and security of critical infrastructure systems.
   • Protect against physical and logical attacks.

4. Payment Terminals:

   • Provide secure payment processing and protect sensitive cardholder data.
   • Prevent fraudulent activities and unauthorized access.

Detailed and Complete Alternative Models

Some alternative models to the AT97SC3205-G3M4500B with similar features and capabilities include:

1. AT97SC3205-G3M4500C 2