AT91SAM7S256C-AU - Microchip Technology

Manufacturer Part Number

AT91SAM7S256C-AU

Manufacturer

Microchip Technology

Introduction

The AT91SAM7S256C-AU is a 16/32-bit ARM7® based microcontroller with extensive I/O capabilities and Flash memory, designed for embedded control applications.

Product Features and Performance

ARM7® Core Processor with 16/32-Bit capabilities

Running speed of 55MHz

Support for I2C, SPI, SSC, UART/USART, USB connectivity

Equipped with Brown-out Detect/Reset, DMA, POR, PWM, WDT peripherals

32 programmable I/O lines

On-chip 256KB Flash memory and 64KB RAM

10-bit A/D converter with 8 channels

Internal oscillator for clock generation

Surface Mount 64-LQFP package

Product Advantages

High integration level for complex control tasks

Versatile connectivity options for various communication needs

Ample memory size suitable for moderate to complex applications

Wide operating temperature range for harsh environments

Compact 64-LQFP (10x10) package saves space on PCB

Flash-based memory for easier program updates

Key Technical Parameters

Core Size: 16/32-Bit

Speed: 55MHz

Program Memory: 256KB Flash

RAM Size: 64KB

Number of I/O: 32

Data Converters: A/D 8x10b

Voltage Supply: 1.65V ~ 1.95V

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

Quality and Safety Features

Brown-out Detect/Reset ensures proper operation under fluctuating power supply

Watchdog Timer (WDT) for system integrity

Power-on Reset (POR) circuitry for reliable operation at power-up

Compatibility

Can interface with numerous standard and proprietary communication protocols due to its I2C, SPI, SSC, UART/USART, USB support

Application Areas

Industrial control systems

Consumer electronics

IoT devices

Automotive applications

Product Lifecycle

Obsolete status, which means production may have ceased and support may be limited

Replacement or upgrade options may need to be evaluated

Key Reasons to Choose This Product

Robust ARM7® core capable of handling complex tasks efficiently

Generous on-chip memory for advanced applications

Flexible connectivity options to cater to a broad range of peripherals and protocols

Fit for extreme temperature range applications from -40°C to 85°C

The product's obsolescence indicates a stable platform with widespread adoption and support, though alternatives should be considered for new designs