AT91SAM7SE256B-AUR

Product Overview

• Category: Microcontroller
• Use: Embedded systems, Internet of Things (IoT) devices, industrial automation
• Characteristics: High-performance, low-power consumption, extensive peripheral set
• Package: 100-pin LQFP (Low-profile Quad Flat Package)
• Essence: ARM-based microcontroller with integrated Flash memory and peripherals
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Microcontroller Core: ARM7TDMI-S
• Clock Speed: Up to 55 MHz
• Flash Memory: 256 KB
• RAM: 64 KB
• Operating Voltage: 1.65V to 3.6V
• Digital I/O Pins: 53
• Analog Input Channels: 8
• Serial Communication Interfaces: USART, SPI, TWI (Two-Wire Interface)
• Timers/Counters: 4 x 16-bit, 1 x 8-channel PWM
• Analog-to-Digital Converter (ADC): 10-bit resolution, up to 8 channels
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT91SAM7SE256B-AUR microcontroller has a total of 100 pins. The pin configuration is as follows:

• Pins 1-4: Ground (GND)
• Pins 5-8: Power Supply (VDD)
• Pins 9-12: Analog Ground (AGND)
• Pins 13-16: Analog Power Supply (AVDD)
• Pins 17-20: Reset (RESET)
• Pins 21-28: General-Purpose Input/Output (GPIO)
• Pins 29-36: Serial Communication Interfaces (USART, SPI, TWI)
• Pins 37-44: Timers/Counters and PWM
• Pins 45-52: Analog-to-Digital Converter (ADC)
• Pins 53-100: Reserved for other functions

Functional Features

• High-performance ARM7TDMI-S core for efficient processing
• Integrated Flash memory for program storage
• Extensive set of peripherals for versatile applications
• Low-power consumption for energy-efficient designs
• Wide operating voltage range for flexibility in power supply options
• Multiple serial communication interfaces for data exchange
• Analog-to-Digital Converter for analog signal acquisition
• Timers/Counters and PWM for precise timing and control

Advantages and Disadvantages

Advantages

• Powerful ARM-based microcontroller with high performance
• Ample Flash memory and RAM for storing programs and data
• Versatile peripheral set for various application requirements
• Low-power consumption for energy-efficient designs
• Wide operating voltage range for flexibility
• Well-documented and supported by the manufacturer

Disadvantages

• Limited number of digital I/O pins compared to some other microcontrollers
• Relatively higher cost compared to lower-end microcontrollers
• Steeper learning curve for beginners due to the complexity of ARM architecture

Working Principles

The AT91SAM7SE256B-AUR microcontroller operates based on the ARM7TDMI-S core. It executes instructions stored in its integrated Flash memory and interacts with external devices through its extensive set of peripherals. The microcontroller can be programmed using various development tools and programming languages. It follows a sequential execution model, where instructions are fetched, decoded, and executed one after another.

Detailed Application Field Plans

The AT91SAM7SE256B-AUR microcontroller finds applications in various fields, including:

1. Industrial Automation: Control systems, motor drives, and robotics.
2. Internet of Things (IoT): Connected devices, smart home automation, and sensor networks.
3. Automotive: Engine control units, dashboard displays, and vehicle diagnostics.
4. Medical Devices: Patient monitoring systems, medical imaging, and diagnostic equipment.
5. Consumer Electronics: Home appliances, gaming consoles, and audio/video equipment.

Detailed and Complete Alternative Models

1. ATmega2560: Microcontroller from Atmel with similar capabilities but different architecture.
2. STM32F407: ARM-based microcontroller from STMicroelectronics with comparable features.
3. PIC32MX795F512L: Microcontroller from Microchip with similar performance and peripheral set.

These alternative models offer similar functionalities to the AT91SAM7SE256B-AUR and can be considered based on specific project requirements.

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