AT91SAM7S321-MU - Atmel

Manufacturer Part Number

AT91SAM7S321-MU

Manufacturer

Microchip Technology

Introduction

The AT91SAM7S321-MU is an ARM7-based microcontroller designed for embedded applications, providing a balanced performance between processing power and power consumption.

Product Features and Performance

ARM7® core processor with a 16/32-Bit architecture

55MHz maximum operating frequency

Includes peripherals such as Brown-out Detect/Reset, DMA, POR, PWM, WDT

32 Programmable I/O lines

32KB of Flash memory

8KB SRAM

I2C, SPI, SSC, UART/USART, and USB connectivity options

8-channel 10-bit Analog-to-Digital Converter

Product Advantages

Low power consumption for battery-powered devices

Comprehensive set of peripherals enables versatile applications

Smooth integration with Microchip's product ecosystem

Key Technical Parameters

Core Size: 16/32-Bit

Speed: 55MHz

Number of I/O: 32

Program Memory Size: 32KB

RAM Size: 8K x 8

Voltage Supply: 1.65V ~ 1.95V

Data Converters: A/D 8x10b

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Brown-out Detect/Reset ensures reliable operation under variable power conditions

Watchdog Timer (WDT) prevents system hangs

Compatibility

Compatible with various standard communication protocols and interfaces

Application Areas

Industrial control systems

Consumer electronics

Automotive applications

Communication devices

Product Lifecycle

Obsolete status implies that the product is no longer being manufactured or recommended for new designs

Replacements or upgrades may be available; consultation with Microchip is advised for the latest alternatives

Several Key Reasons to Choose This Product

Robust design ensuring operation in extreme temperatures ranging from -40°C to 85°C

Internal oscillator reduces additional component requirements

Sufficient memory allocation for small to intermediate applications

Easy to integrate within systems due to common industry-standard protocols

Quality performance ensured by Microchip's reputational standards