AT91R40008-66AU - Microchip Technology

Manufacturer Part Number

AT91R40008-66AU

Manufacturer

Microchip Technology

Introduction

The AT91R40008-66AU is an ARM7® core-based microcontroller from Microchip Technology with a core size of 16/32-Bit operating at a speed of 66MHz.

Product Features and Performance

Core Processor: ARM7®

Core Size: 16/32-Bit

Speed: 66MHz

Connectivity: EBI/EMI, UART/USART

Peripherals: Power-on Reset (POR), Watchdog Timer (WDT)

Number of I/O: 32

RAM Size: 256K x 8

Voltage Supply Range: 1.65V to 1.95V

Operating Temperature Range: -40°C to 85°C

Mounting Type: Surface Mount

Package: 100-LQFP (14x14)

Product Advantages

High processing speed with ARM7® core at 66MHz

Flexible power requirements suited for low voltage applications

Robust temperature range ensuring operation in extreme conditions

Compact 100-LQFP package facilitating easier mounting

Key Technical Parameters

Core Processor: ARM7®

Speed: 66MHz

RAM Size: 256K x 8

Number of I/O: 32

Temperature Range: -40°C to 85°C

Supply Voltage: 1.65V to 1.95V

Quality and Safety Features

Power-on Reset (POR)

Watchdog Timer (WDT) for system reliability and recovery

Compatibility

Utilizes standard UART/USART interfaces for serial communication

EBI/EMI connectivity supports flexible peripheral integration

Application Areas

Industrial automation

Automotive systems

Embedded control systems

Consumer electronics

Product Lifecycle

Status: Active product

Not nearing discontinuation; no known plans for replacement or upgrades

Several Key Reasons to Choose This Product

High performance ARM7® core with 66MHz speed for demanding applications

Low power consumption supporting efficient design

Broad connectivity options (EBI/EMI, UART/USART)

Enhanced system reliability features like POR and WDT

Designed for robust operation in a wide range of temperatures (-40°C to 85°C)