OMAPL138EZCEA3

Product Overview

Category: Integrated Circuit (IC)

Use: The OMAPL138EZCEA3 is a highly integrated system-on-chip (SoC) designed for embedded applications. It combines a high-performance ARM Cortex-A8 processor with a C674x DSP core, making it suitable for a wide range of applications that require both processing power and digital signal processing capabilities.

Characteristics: - Dual-core architecture - High-performance ARM Cortex-A8 processor running at up to 456 MHz - C674x DSP core running at up to 456 MHz - On-chip memory including L1 cache, L2 cache, and shared RAM - Various peripherals such as UART, SPI, I2C, USB, Ethernet, etc. - Support for multiple operating systems including Linux and TI-RTOS

Package: The OMAPL138EZCEA3 comes in a compact BGA (Ball Grid Array) package, which allows for efficient integration into small form factor designs.

Essence: The essence of the OMAPL138EZCEA3 lies in its ability to provide a powerful and flexible platform for embedded applications that require both general-purpose processing and digital signal processing capabilities.

Packaging/Quantity: The OMAPL138EZCEA3 is typically sold in trays or reels, with each containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Processor:

  • ARM Cortex-A8 running at up to 456 MHz
  • C674x DSP core running at up to 456 MHz

• Memory:

  • 32 KB instruction cache, 32 KB data cache (per core)
  • 256 KB L2 cache (shared)
  • 128 KB shared RAM

• Peripherals:

  • 2 x UART
  • 2 x SPI
  • 2 x I2C
  • USB 2.0 OTG
  • Ethernet MAC (10/100 Mbps)
  • MMC/SD/SDIO interface
  • GPIO pins

• Operating Systems:

  • Linux
  • TI-RTOS

Detailed Pin Configuration

The OMAPL138EZCEA3 has a total of 256 pins, which are used for various purposes including power supply, communication interfaces, memory connections, and general-purpose input/output (GPIO) functions. For a detailed pin configuration diagram and description, please refer to the product datasheet.

Functional Features

1. Dual-Core Architecture: The OMAPL138EZCEA3 features a dual-core architecture with an ARM Cortex-A8 processor and a C674x DSP core. This allows for efficient execution of both general-purpose and signal processing tasks.

2. High Performance: With the ARM Cortex-A8 running at up to 456 MHz and the C674x DSP core also running at up to 456 MHz, the OMAPL138EZCEA3 offers high-performance computing capabilities.

3. On-Chip Memory: The SoC includes on-chip memory, including L1 cache, L2 cache, and shared RAM, providing fast access to data and instructions.

4. Rich Peripheral Set: The OMAPL138EZCEA3 is equipped with a variety of peripherals such as UART, SPI, I2C, USB, Ethernet, etc., enabling seamless connectivity with external devices.

5. Operating System Support: The SoC supports multiple operating systems, including Linux and TI-RTOS, allowing developers to choose the most suitable environment for their applications.

Advantages and Disadvantages

Advantages: - Powerful dual-core architecture for versatile application support - High-performance processing capabilities - On-chip memory for efficient data access - Wide range of peripherals for seamless connectivity - Support for multiple operating systems

Disadvantages: - Relatively complex architecture may require a learning curve for developers unfamiliar with dual-core systems - Higher power consumption compared to single-core processors in certain scenarios

Working Principles

The OMAPL138EZCEA3 combines the processing power of an ARM Cortex-A8 processor and the digital signal processing capabilities of a C674x DSP core. The ARM Cortex-A8 handles general-purpose computing tasks, while the C674x DSP core is optimized for digital signal processing operations.

The two cores work together to execute applications efficiently. The ARM Cortex-A8 can handle tasks such as user interface, networking, and control, while the C674x DSP core excels at real-time signal processing, audio/video encoding/decoding, and other computationally intensive operations.

Developers can leverage the dual-core architecture to achieve a balance between performance and power consumption, depending on the specific requirements of their applications.

Detailed Application Field Plans

The OMAPL138EZCEA3 finds applications in various fields that require both general-purpose processing and digital signal processing capabilities. Some of the key application