Overview
The OMAPL138EZWTD4 is a dual-core processor developed by Texas Instruments, integrating an ARM926EJ-S core and a C674x digital signal processor (DSP). This system-on-chip (SoC) is designed to provide high performance and versatility for a wide range of embedded applications. The processor combines the benefits of both DSP and reduced instruction set computer (RISC) technologies, making it suitable for tasks that require both microcontroller and DSP functionality.
The OMAPL138EZWTD4 features a low-power design, operating within a temperature range of -40 °C to 90 °C, and supports a maximum clock speed of 456 MHz. It includes a rich set of integrated peripherals, such as USB, Ethernet, serial interfaces, and various timers and controllers, which enhance its functionality and connectivity.
Key Specifications
| Parameter | Value |
|---|---|
| Core Architecture | ARM926EJ-S + C674x DSP |
| Package Type | NFBGA (361 pins) |
| Operating Temperature Range | -40 °C to 90 °C |
| Maximum Clock Speed | 456 MHz |
| Supply Voltage | 1.71 V to 1.89 V (ARM), 3.15 V to 3.45 V (DSP) |
| ROM Program Memory | 64 KB |
| RAM Shared Memory | 128 KB |
| Ethernet Interface | 10/100 Mbps, MII/RMII |
| External Memory Interfaces | EMIFA (asynchronous and SDRAM), DDR2/Mobile DDR |
Key Features
- Dual-Core Processing: Combines an ARM926EJ-S core for general-purpose processing and a C674x DSP for digital signal processing.
- Rich Peripheral Set: Includes USB, Ethernet, serial interfaces (UART, SPI, McBSP), timers (eHRPWM, eCAP), and video port interface (VPIF).
- Flexible Configuration: Supports multiple interfaces and communication protocols such as TDM, I2S, AC97 audio codec, and telecom interfaces.
- Integrated Memory Controller: Supports external memory interfaces including EMIFA and DDR2/Mobile DDR.
- Power Management: Operates at low power with supply voltages of 1.71-1.89 V for the ARM core and 3.15-3.45 V for the DSP core.
Applications
- Industrial Automation: Used in industrial control systems for real-time processing and communication.
- Medical Devices: Ideal for medical equipment requiring advanced signal processing capabilities.
- Consumer Electronics: Suitable for multimedia devices and smart appliances.
Q & A
- What is the OMAPL138EZWTD4?
The OMAPL138EZWTD4 is a system-on-chip (SoC) solution developed by Texas Instruments, featuring an ARM926EJ-S core and a C674x DSP core.
- How does the OMAPL138EZWTD4 work?
The SoC integrates an ARM9 core for general-purpose processing tasks and a C674x DSP for digital signal processing, providing a unified platform for handling both control and signal processing functions.
- What are the key peripherals of the OMAPL138EZWTD4?
The key peripherals include USB, Ethernet, serial interfaces (UART, SPI, McBSP), timers (eHRPWM, eCAP), and video port interface (VPIF).
- What are the power supply requirements for the OMAPL138EZWTD4?
The device operates with supply voltages of 1.71-1.89 V for the ARM core and 3.15-3.45 V for the DSP core.
- What are the typical applications of the OMAPL138EZWTD4?
It is commonly used in industrial automation, medical devices, and consumer electronics.
- How many pins does the OMAPL138EZWTD4 have?
The OMAPL138EZWTD4 is housed in a 361-pin BGA (Ball Grid Array) package.
- What is the maximum clock speed of the OMAPL138EZWTD4?
The maximum clock speed is 456 MHz.
- Does the OMAPL138EZWTD4 support external memory interfaces?
Yes, it supports EMIFA (asynchronous and SDRAM) and DDR2/Mobile DDR external memory interfaces.
- What are the pros and cons of using the OMAPL138EZWTD4?
Pros include dual-core processing, a rich peripheral set, and flexible configuration. Cons include complex development and higher power consumption compared to single-core solutions.
- How can I integrate the OMAPL138EZWTD4 into my system?
Integrate the processor by supplying power to the ARM and DSP cores, utilizing the integrated interfaces for communication, and connecting peripherals as needed. Refer to the datasheet for detailed usage instructions.
