AT91SAM7S256C-MU-999

Product Overview

Category

The AT91SAM7S256C-MU-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 frequency up to 55 MHz
• Flash memory capacity of 256 KB
• SRAM capacity of 64 KB
• Low power consumption
• Multiple communication interfaces (UART, SPI, I2C)
• Analog-to-digital converter (ADC) with multiple channels
• Real-time clock (RTC) functionality
• Wide operating voltage range

Package

The AT91SAM7S256C-MU-999 is available in a compact surface-mount package.

Essence

This microcontroller combines high performance, low power consumption, and a wide range of features, making it suitable for a variety of applications.

Packaging/Quantity

The AT91SAM7S256C-MU-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: 256 KB
• SRAM: 64 KB
• Operating Voltage: 1.65V to 3.6V
• Communication Interfaces: UART, SPI, I2C
• ADC Channels: Multiple
• Timers/Counters: Multiple
• GPIO Pins: 53
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT91SAM7S256C-MU-999 has a total of 100 pins. The pin configuration is as follows:

• Pin 1: VDDIO
• Pin 2: PA0
• Pin 3: PA1
• Pin 4: PA2
• ...
• Pin 99: GND
• Pin 100: VDDCORE

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

Functional Features

1. High Performance

The AT91SAM7S256C-MU-999 is based on the ARM7TDMI-S architecture, providing high processing power and efficient execution of instructions.

2. Low Power Consumption

With its advanced power management features, this microcontroller minimizes energy consumption, making it suitable for battery-powered applications.

3. Versatile Communication Interfaces

The UART, SPI, and I2C interfaces enable seamless communication with other devices, expanding the connectivity options for various applications.

4. Rich Analog Capability

Equipped with an ADC supporting multiple channels, the AT91SAM7S256C-MU-999 can accurately convert analog signals into digital data, facilitating sensor integration.

5. Extensive Peripherals

The microcontroller offers a range of timers/counters and GPIO pins, allowing for flexible control and interfacing with external components.

Advantages and Disadvantages

Advantages

• High-performance ARM architecture
• Low power consumption
• Versatile communication interfaces
• Rich analog capability
• Extensive peripheral support

Disadvantages

• Limited flash memory capacity compared to some other microcontrollers in the same category
• Relatively higher cost compared to entry-level microcontrollers

Working Principles

The AT91SAM7S256C-MU-999 operates based on the ARM7TDMI-S architecture. It executes instructions stored in its flash memory, interacting with peripherals and external devices through various communication interfaces. The microcontroller's internal clock drives its operations, while its power management features optimize energy consumption.

Detailed Application Field Plans

The AT91SAM7S256C-MU-999 finds applications in various fields, including but not limited to: 1. Industrial automation 2. Consumer electronics 3. Automotive systems 4. Medical devices 5. Internet of Things (IoT) devices

In industrial automation, this microcontroller can be used for controlling machinery and monitoring processes. In consumer electronics, it can power smart home devices or portable gadgets. Automotive systems can benefit from its processing capabilities for engine control units and infotainment systems. Medical devices can utilize its analog-to-digital conversion features for accurate measurements. Lastly, in the IoT domain, the AT91SAM7S256C-MU-999 can enable connectivity and data processing in various applications.

Detailed and Complete Alternative Models

1. ATmega328P: This microcontroller from Atmel offers similar features and is widely used in Arduino boards.
2. STM32F103C8T6: A microcontroller from STMicroelectronics, providing a balance between performance and cost.
3. PIC18F4550: Microchip's microcontroller with USB functionality, suitable for USB-based applications.
4. LPC1768: NXP's ARM Cortex-M