AT91SAM7X256-AU-999

Product Overview

Category

The AT91SAM7X256-AU-999 belongs to the category of microcontrollers.

Use

This microcontroller is commonly used in various electronic devices and embedded systems.

Characteristics

• High-performance 32-bit ARM architecture
• Clock speed of up to 55 MHz
• Flash memory capacity of 256 KB
• RAM capacity of 64 KB
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-digital converter (ADC) with multiple channels
• Real-time clock (RTC) functionality
• Low power consumption
• Wide operating voltage range

Package

The AT91SAM7X256-AU-999 is available in a compact surface-mount package.

Essence

This microcontroller serves as the core processing unit for electronic devices, providing control and communication capabilities.

Packaging/Quantity

The AT91SAM7X256-AU-999 is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Architecture: ARM7TDMI-S
• Clock Speed: Up to 55 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 1.65V to 3.6V
• Communication Interfaces: UART, SPI, I2C
• ADC Channels: Multiple
• GPIO Pins: 54
• Timers/Counters: Multiple
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT91SAM7X256-AU-999 has a total of 100 pins, each serving a specific purpose. The pin configuration is as follows:

• Pin 1: VDDIO
• Pin 2: PA0
• Pin 3: PA1
• ...
• Pin 100: GND

For a complete pin configuration diagram, refer to the product datasheet.

Functional Features

1. High-Performance Processing: The ARM7TDMI-S architecture enables efficient and fast execution of instructions.
2. Extensive Memory Capacity: With 256 KB of flash memory and 64 KB of RAM, the microcontroller can store and process large amounts of data.
3. Versatile Communication Interfaces: The UART, SPI, and I2C interfaces facilitate seamless communication with other devices.
4. Precise Analog-to-Digital Conversion: The built-in ADC with multiple channels allows accurate conversion of analog signals.
5. Real-Time Clock Functionality: The integrated RTC provides timekeeping capabilities for time-sensitive applications.
6. Low Power Consumption: The microcontroller is designed to operate efficiently, minimizing power consumption and extending battery life.
7. Wide Operating Voltage Range: The AT91SAM7X256-AU-999 can operate within a broad voltage range, making it suitable for various power supply configurations.

Advantages and Disadvantages

Advantages

• Powerful processing capabilities
• Ample memory capacity
• Multiple communication interfaces
• Accurate analog-to-digital conversion
• Real-time clock functionality
• Low power consumption
• Wide operating voltage range

Disadvantages

• Limited number of GPIO pins
• Relatively high cost compared to some alternatives

Working Principles

The AT91SAM7X256-AU-999 operates based on the ARM7TDMI-S architecture, which executes instructions in a sequential manner. It utilizes the provided clock signal to synchronize its internal operations. The microcontroller interacts with external devices through its communication interfaces, enabling data exchange and control. The embedded ADC converts analog signals into digital values, allowing precise measurement and analysis. The real-time clock ensures accurate timekeeping for time-sensitive applications. The microcontroller's low power design helps conserve energy and prolong battery life.

Detailed Application Field Plans

The AT91SAM7X256-AU-999 finds applications in various fields, including but not limited to: 1. Industrial Automation: Control systems, robotics, and monitoring devices. 2. Consumer Electronics: Smart home devices, wearable technology, and multimedia systems. 3. Automotive: Engine control units, dashboard displays, and vehicle communication systems. 4. Medical Devices: Patient monitoring equipment, diagnostic tools, and medical imaging devices. 5. Internet of Things (IoT): Connected devices, sensor networks, and data acquisition systems.

Detailed and Complete Alternative Models

1. ATmega2560: A microcontroller from Atmel with similar specifications and capabilities.
2. STM32F407: A microcontroller from STMicroelectronics offering comparable performance and features.
3. PIC32MX795F512L: A microcontroller from Microchip with a different architecture but similar functionality.

These alternative models provide options for developers based on their specific requirements and preferences.

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