Manufacturer Part Number
AT91SAM7S321-AU
Manufacturer
Microchip Technology
Introduction
32-bit ARM7-based microcontroller
Designed for embedded applications
Product Features and Performance
32KB of Flash program memory
8KB of SRAM
8x10-bit ADC
DMA, PWM, and watchdog timer peripherals
SPI, SSC, UART/USART, and USB interfaces
Operating frequency up to 55MHz
Operating voltage range of 1.65V to 1.95V
Wide operating temperature range of -40°C to 85°C
Product Advantages
Low power consumption
Flexible peripheral set for diverse applications
Extensive development tools and software support
Robust design for reliable operation
Key Technical Parameters
Processor: 32-bit ARM7 core
Flash memory: 32KB
SRAM: 8KB
ADC: 8x10-bit
Peripherals: DMA, PWM, WDT, SPI, SSC, UART/USART, USB
Operating frequency: up to 55MHz
Operating voltage: 1.65V to 1.95V
Operating temperature: -40°C to 85°C
Quality and Safety Features
RoHS3 compliant
Brown-out detection and reset
Power-on reset
Compatibility
Compatible with a wide range of ARM7-based development tools and software
Application Areas
Embedded systems
Industrial control
Automotive electronics
Medical devices
Consumer electronics
Product Lifecycle
This product is currently in production and not nearing discontinuation
Replacement or upgrade options may be available from Microchip Technology
Key Reasons to Choose This Product
Powerful 32-bit ARM7 core for efficient performance
Extensive peripheral set for flexible design
Low power consumption for energy-efficient applications
Robust design and wide operating temperature range
Extensive development tools and software support from Microchip Technology