AT91SAM7S32B-AU - Microchip Technology

Manufacturer Part Number

AT91SAM7S32B-AU

Manufacturer

Microchip Technology

Introduction

The AT91SAM7S32B-AU is an ARM7® based microcontroller designed for embedded applications, offered in a 48-LQFP package.

Product Features and Performance

16/32-Bit ARM7® core

Operating speed up to 55MHz

Connectivity options include I2C, SPI, SSC, UART/USART

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

Internal oscillator

Program Memory Size of 32KB (FLASH)

RAM Size of 8K x 8

8 x 10-bit A/D converters

Product Advantages

Optimal balance between processing power and power consumption

A broad range of connectivity options enhances versatility

Integrated peripherals support complex functionalities without additional components

Compact 48-LQFP package suitable for space-constrained applications

Key Technical Parameters

Core Size: 16/32-Bit

Speed: 55MHz

Number of I/O: 21

Program Memory: 32KB FLASH

RAM: 8KB

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

A/D Converters: 8x10b

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Brown-out Detect/Reset

Power-on Reset (POR)

Watchdog Timer (WDT)

Compatibility

Compatible with standard SPI, I2C, SSC, UART/USART interfaces

Application Areas

Ideal for industrial automation

Consumer electronics applications

Automotive subsystems

Product Lifecycle

Status: Obsolete

Options for replacement or upgrade should be verified with Microchip Technology support

Several Key Reasons to Choose This Product

ARM7® core for efficient processing power in embedded systems

Low operational voltage reduces power consumption

Integrated functionality reduces the need for additional external components

Wide operating temperature range is suitable for harsh environments

End-of-life status alerts for timely upgrade or stock management decisions