AT91SAM7S256C-MU - Atmel

Manufacturer Part Number

AT91SAM7S256C-MU

Manufacturer

Microchip Technology

Introduction

The AT91SAM7S256C-MU is an ARM7® based microcontroller specifically designed for embedded applications. It is part of Microchip Technology's SAM7S series, targeting cost-sensitive and space-constrained applications.

Product Features and Performance

Core Processor: ARM7®, offering 16/32-Bit processing for a balance between efficiency and power.

Speed: Clocks at up to 55MHz, providing robust performance for various applications.

Connectivity: Offers I2C, SPI, SSC, UART/USART, and USB, facilitating diverse external communications.

Peripherals: Includes Brown-out Detect/Reset, DMA, POR, PWM, WDT, enhancing device reliability and functionality.

Program Memory Size: 256KB FLASH, accommodating complex programs and software stacks.

RAM Size: 64KB, providing sufficient space for data manipulation and storage.

Data Converters: A/D converters (8x10b), enabling interaction with analog signals.

Operating Temperature: -40°C ~ 85°C, suitable for demanding environments.

Product Advantages

Integrated USB support allows for easy connectivity with computers and other USB devices.

Large FLASH and RAM capacity support complex applications and processing.

Multiple connectivity interfaces enable versatile use in various embedded systems.

Key Technical Parameters

Core Size: 16/32-Bit

Voltage Supply (Vcc/Vdd): 1.65V ~ 1.95V

Number of I/O: 32

Oscillator Type: Internal

Quality and Safety Features

Embedded Brown-out Detect/Reset and Watchdog Timer (WDT) for system integrity and recovery.

Porcelain Reset (POR) feature ensures reliable startup and operation.

Compatibility

Surface Mount mounting type with 64-QFN package ensures ease of integration in various board designs.

Application Areas

Targeting embedded control systems, USB devices, and sensor systems across industrial, consumer electronics, and automotive markets.

Product Lifecycle

Status: Obsolete

Due to its obsolescence, alternatives or upgrades may be required for new designs.

Several Key Reasons to Choose This Product

Robust ARM7® core offering balanced performance for embedded applications.

Comprehensive connectivity and peripheral support facilitate versatile application use.

High program memory and RAM capacities accommodate complex software needs.

Its obsolescence status makes it a legacy choice, ideal for ongoing support of existing designs requiring this specific model.