AT91SAM7SE256-AU

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 advanced features and capabilities
• 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
• SRAM: 64 KB
• Operating Voltage: 1.65V to 3.6V
• I/O Pins: 53
• Communication Interfaces: UART, SPI, I2C, USB
• Analog-to-Digital Converter (ADC): 8 channels, 10-bit resolution
• Timers/Counters: Multiple timers/counters for precise timing and event management
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT91SAM7SE256-AU 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 Peripheral Interface (SPI)
• Pins 37-44: Universal Asynchronous Receiver/Transmitter (UART)
• Pins 45-52: Inter-Integrated Circuit (I2C)
• Pins 53-60: USB Interface
• Pins 61-68: Analog-to-Digital Converter (ADC)
• Pins 69-76: Timers/Counters
• Pins 77-100: Reserved

Functional Features

• High Performance: The ARM7TDMI-S core provides efficient processing capabilities, enabling fast execution of complex tasks.
• Low Power Consumption: The microcontroller is designed to minimize power consumption, making it suitable for battery-powered devices and energy-efficient applications.
• Extensive Peripheral Set: The AT91SAM7SE256-AU offers a wide range of communication interfaces, timers/counters, and analog-to-digital conversion capabilities, allowing for versatile connectivity and precise control.
• Flexible Operating Voltage: The microcontroller supports a wide operating voltage range, providing flexibility in various application scenarios.
• Robust Temperature Range: With an operating temperature range of -40°C to +85°C, the microcontroller can withstand harsh environmental conditions.

Advantages and Disadvantages

Advantages: - Powerful processing capabilities - Low power consumption - Versatile peripheral set - Flexible operating voltage - Wide temperature range tolerance

Disadvantages: - Limited flash memory capacity compared to some other microcontrollers in the market - Relatively higher cost compared to entry-level microcontrollers

Working Principles

The AT91SAM7SE256-AU microcontroller operates based on the ARM7TDMI-S core architecture. It executes instructions fetched from the flash memory and interacts with various peripherals to perform desired tasks. The microcontroller's clock speed determines the rate at which instructions are processed, while the extensive peripheral set enables communication with external devices and sensors. The flexible operating voltage allows the microcontroller to adapt to different power supply conditions.

Detailed Application Field Plans

The AT91SAM7SE256-AU microcontroller finds applications in various fields, including:

1. Embedded Systems: Used in the development of embedded systems for diverse applications such as consumer electronics, automotive systems, and medical devices.
2. Internet of Things (IoT) Devices: Enables connectivity and control in IoT devices, facilitating data acquisition, processing, and communication.
3. Industrial Automation: Plays a crucial role in industrial automation systems, providing real-time control and monitoring capabilities.
4. Smart Home Automation: Used in smart home automation systems to control and manage various devices and appliances.
5. Robotics: Provides the necessary processing power and peripheral interfaces for robotics applications, enabling precise control and sensor integration.

Detailed and Complete Alternative Models

1. ATmega328P: A popular alternative microcontroller with similar capabilities, widely used in Arduino boards.
2. STM32F103C8T6: Another ARM-based microcontroller offering a balance between performance and cost-effectiveness.
3. PIC18F4550: A microcontroller from Microchip with extensive peripheral options and USB connectivity.
4. MSP430G