The Samsung S3C2440A-40 is a 32-bit RISC microprocessor based on the ARM920T core. Designed for a wide array of embedded applications, it offers a good balance of processing power, low power consumption, and integrated peripherals, making it well-suited for devices like PDAs, handheld computers, and various industrial control systems.

Applications

• Personal Digital Assistants (PDAs)
• Handheld Computers
• Industrial Control Systems
• GPS Navigation Devices
• Embedded Systems

Features

• ARM920T Core: Provides a robust and efficient processing platform.
• LCD Controller: Integrated LCD controller to directly interface with LCD panels.
• USB Host/Device: Supports USB connectivity for data transfer and peripheral interfacing.
• SD/MMC Host Controller: Allows for easy integration with SD and MMC memory cards.
• NAND Flash Controller: Facilitates the use of NAND flash memory for storage solutions.
• Camera Interface: Supports camera modules for image and video capture.
• UART, SPI, I2C Interfaces: Offers versatile serial communication options.
• Real-Time Clock (RTC): Keeps track of time, even when the main power is off.
• Power Management Unit (PMU): Optimizes power consumption for prolonged battery life.

Benefits

• Efficient Performance: The ARM920T core provides sufficient processing capabilities for many embedded applications.
• Low Power Operation: Contributes to extended battery life in portable devices.
• Reduced System Cost: Integrated peripherals minimize the need for external components.
• Memory Flexibility: Supports various memory types and configurations.
• Versatile Connectivity: Provides numerous interfaces for connecting to other devices and peripherals.
• Easy Development: Comprehensive development tools and support resources are available.

Technical Details

The S3C2440A-40 operates at a clock speed of 400 MHz. It includes a 16 KB instruction cache and a 16 KB data cache, enhancing performance. The integrated LCD controller supports a wide range of display resolutions. The processor is commonly packaged in a BGA (Ball Grid Array) package. Operating voltage is typically 1.3V for the core and 3.3V for I/O. This part is suitable for applications requiring a blend of performance, power efficiency, and integrated features.