AT91SAM7A3-AU - Microchip Technology

Manufacturer Part Number

AT91SAM7A3-AU

Manufacturer

Microchip Technology

Introduction

AT91SAM7A3-AU is an ARM7 based microcontroller suitable for a variety of applications requiring high-performance processing and low power consumption

Product Features and Performance

ARM7® Core Processor

16/32-Bit Core Size

60MHz Operating Speed

CANbus, I2C, Memory Card, SPI, SSC, UART/USART Connectivity

Power-on Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT) Peripherals

62 I/O lines

256KB Program Memory with FLASH storage

32K x 8 RAM Size

Internal Oscillator

Product Advantages

Low power consumption with ARM7 core efficiency

High connectivity with multiple communication interfaces

Comprehensive peripheral set for versatile applications

Embedded FLASH memory for reliable program storage

Wide operating temperature range for use in harsh environments

Key Technical Parameters

Program Memory Size: 256KB (256K x 8)

RAM Size: 32K x 8

Speed: 60MHz

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

Data Converters: A/D 8x10b

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

100-LQFP (14x14) Supplier Device Package

100-LQFP Package/Case

Quality and Safety Features

Robust construction for surface mount

Operating Temperature Range of -40°C ~ 85°C ensures reliability under extreme conditions

Compatibility

Lead-free and RoHS compliant

Compatible with various standard communication protocols

Supports multiple peripheral interfaces for broad compatibility

Application Areas

Industrial control systems

Automotive electronics

Communication devices

Medical equipment

Product Lifecycle

Obsolete status - product is no longer in production

Potential for replacement or upgrade options

Several Key Reasons to Choose This Product

Low power consumption for battery-sensitive applications

Rich peripheral set enabling varied and complex applications

Dense on-chip memory for advanced operations

High reliability and extended operational temperature range

Wide range of connectivity options for flexible system integration

Legacy support for existing embedded system designs