Manufacturer Part Number
ATSAM3S4CA-AU
Manufacturer
Microchip Technology
Introduction
High-performance ARM Cortex-M3 based microcontroller for embedded applications
Product Features and Performance
32-Bit Single-Core ARM Cortex-M3 processor
Speed of 64MHz for quick processing times
Broad range of connectivity options including USB, SPI, I2C
Integrated peripherals for enhanced control such as PWM and WDT
Large number of I/O pins (79) for extensive interfacing
Flash program memory of 256KB for substantial program storage
48KB RAM for efficient data processing
Internal oscillator for reduced component count
Product Advantages
Optimized power consumption for energy-sensitive applications
Suitable for complex embedded systems due to high-speed core and sizeable memory
Flexible voltage supply range from 1.62V to 3.6V to accommodate various power sources
Surface-mount technology for compact and efficient PCB design
Support for direct memory access (DMA) for faster data transfer without CPU load
Key Technical Parameters
Core Size: 32-Bit Single-Core
Program Memory Size: 256KB
Program Memory Type: FLASH
RAM Size: 48K x 8
Number of I/O: 79
Voltage - Supply (Vcc/Vdd): 1.62V ~ 3.6V
Data Converters: A/D 15x10/12b, D/A 2x12b
Operating Temperature Range: -40°C ~ 85°C
Quality and Safety Features
Brown-out Detect/Reset to prevent low-voltage operation
Watchdog Timer (WDT) to recover from malfunctions
Power-on Reset (POR) to ensure reliable startup
Extended Industrial Operating Temperature from -40°C to 85°C
Compatibility
EBI/EMI interfaces
Standard SPI, I2C, and USB for versatile peripheral connections
UART/USART interfaces for serial communication
Memory Card interface supporting storage expansion
Application Areas
Industrial control systems
Medical devices
Consumer electronics
Automotive systems
Internet of Things (IoT) devices
Product Lifecycle
Active product status with ongoing manufacturer support
Not near discontinuation, with stable availability of replacements or upgrades
Several Key Reasons to Choose This Product
Proven reliability from a reputable manufacturer, Microchip Technology
Low power consumption with high processing capabilities
Adequate memory resources for complex applications
Versatile connectivity and peripheral options for various designs
Outstanding temperature operation range for extreme environments
Ease of integration with Surface Mount 100-LQFP packaging