AT91SAM7S256D-AU-999

Product Overview

Category

AT91SAM7S256D-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 ARM7TDMI-S RISC architecture
• Clock frequency up to 55 MHz
• 256KB Flash memory
• 64KB SRAM
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-Digital Converter (ADC)
• Real-Time Clock (RTC)
• Low power consumption
• Small form factor

Package

AT91SAM7S256D-AU-999 is available in a compact surface mount package.

Essence

The essence of this microcontroller lies in its powerful processing capabilities and versatile features, making it suitable for a wide range of applications.

Packaging/Quantity

AT91SAM7S256D-AU-999 is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Architecture: ARM7TDMI-S
• Clock Frequency: Up to 55 MHz
• Flash Memory: 256KB
• SRAM: 64KB
• Communication Interfaces: UART, SPI, I2C
• ADC Resolution: 10-bit
• Operating Voltage: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Package Type: LQFP
• Pin Count: 100

Detailed Pin Configuration

The AT91SAM7S256D-AU-999 microcontroller has a total of 100 pins. The pin configuration is as follows:

• Pin 1: VDDIO
• Pin 2: PA0
• Pin 3: PA1
• ...
• Pin 99: PB30
• Pin 100: VDDCORE

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

Functional Features

1. High-performance Processing: The ARM7TDMI-S architecture provides efficient and powerful processing capabilities, enabling fast execution of complex tasks.
2. Extensive Communication Interfaces: The microcontroller offers UART, SPI, and I2C interfaces, facilitating seamless communication with other devices.
3. Memory Capacity: With 256KB Flash memory and 64KB SRAM, the AT91SAM7S256D-AU-999 can store and process substantial amounts of data.
4. Analog-to-Digital Conversion: The built-in ADC allows for accurate conversion of analog signals into digital values.
5. Real-Time Clock: The integrated RTC enables timekeeping functionality in applications that require precise timing.
6. Low Power Consumption: The microcontroller is designed to operate efficiently with minimal power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Powerful processing capabilities
• Versatile communication interfaces
• Ample memory capacity
• Accurate analog-to-digital conversion
• Real-time clock functionality
• Low power consumption

Disadvantages

• Limited availability of alternative models
• Relatively higher cost compared to some other microcontrollers

Working Principles

The AT91SAM7S256D-AU-999 microcontroller operates based on the ARM7TDMI-S RISC architecture. It executes instructions stored in its Flash memory, processes data using its SRAM, and communicates with external devices through various interfaces. The microcontroller's working principles involve executing instructions sequentially, handling interrupts, and managing input/output operations.

Detailed Application Field Plans

AT91SAM7S256D-AU-999 finds application in a wide range of fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Medical devices - Internet of Things (IoT) applications

Detailed and Complete Alternative Models

While the AT91SAM7S256D-AU-999 is a highly capable microcontroller, there are alternative models available in the market that offer similar functionalities. Some notable alternatives include: - STM32F103C8T6 - PIC18F4550 - MSP430G2553

These alternative models provide comparable features and can be considered based on specific project requirements.

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