AT91SAM7S128C-AU - Microchip Technology

Manufacturer Part Number

AT91SAM7S128C-AU

Manufacturer

microchip-technology

Introduction

The AT91SAM7S128C-AU is an ARM7® based microcontroller designed for embedded applications requiring low power consumption, high performance, and multiple connectivity options.

Product Features and Performance

Core Processor: ARM7®, balancing performance and power efficiency

Core Size: 16/32-Bit, versatile for both high-level and bit-level operations

Speed: 55MHz, capable of handling a variety of tasks swiftly

Connectivity: I2C, SPI, SSC, UART/USART, USB, offering multiple interfaces for peripherals

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

Number of I/O: 32, allowing extensive peripheral connections

Program Memory Size: 128KB, ample for complex programs

Program Memory Type: FLASH, for non-volatile storage of code

RAM Size: 32K x 8, providing sufficient temporary data storage

Voltage Supply (Vcc/Vdd): 1.65V ~ 1.95V, supporting low power requirements

Data Converters: A/D 8x10b, facilitating analog to digital conversions

Oscillator Type: Internal, simplifying the design with fewer external components

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

Mounting Type: Surface Mount, common for modern electronic assemblies

Package / Case: 64-LQFP, compact and efficient layout

Product Advantages

Low power consumption with high performance ARM7® core

Wide range of connectivity options for versatile applications

Comprehensive set of built-in peripherals enhancing functionality

Supports tight power supply margins with low voltage operation

Key Technical Parameters

Core Processor: ARM7®

Speed: 55MHz

RAM Size: 32KB

Program Memory Size: 128KB

Voltage Supply Range: 1.65V to 1.95V

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built-in Brown-out Detect/Reset ensures reliable operation under fluctuating power conditions

Power-on Reset (POR) for safe startup sequences

Watchdog Timer (WDT) prevents system hangs

Compatibility

General-purpose I/Os compatible with a wide array of sensors, actuators and displays

Easily integrated with existing designs due to standardized connectivity options

Application Areas

Industrial control systems

Consumer electronics

Automotive systems

IoT devices

Product Lifecycle

The AT91SAM7S128C-AU is marked as Obsolete, suggesting it is nearing the end of its product lifecycle

Potential for replacements or upgrades should be considered in new designs

Several Key Reasons to Choose This Product

The AT91SAM7S128C-AU offers a balanced combination of power efficiency and processing capability

Comprehensive connectivity options for flexible design integration

Ample memory resources for complex applications

Low voltage operation supporting battery-powered and portable devices

High reliability and safety features for critical applications