Overview
The OMAP-L138 C6000 DSP+ARM processor, produced by Texas Instruments, is a dual-core system-on-chip (SoC) designed for low-power applications. It combines an ARM926EJ-S RISC MPU with a C674x fixed and floating-point VLIW DSP, operating at 456 MHz. This processor is integrated into various platforms, such as the Commell DSP-L138, which offers a comprehensive set of features and interfaces for diverse applications.
The OMAP-L138 is known for its high-performance processing capabilities, making it suitable for applications requiring both general-purpose computing and specialized DSP tasks. It also includes a range of peripherals and interfaces, enhancing its versatility in various use cases.
Key Specifications
| Parameter | Specification |
|---|---|
| Processor | TI OMAP-L138 Dual-Core SoC: 1x ARM926EJ-S RISC MPU and 1x C674x Fixed and Floating-Point VLIW DSP |
| Operating Frequency | 456 MHz |
| Memory | 128 MB DDR2 SDRAM, 8 GB SPI Flash |
| Storage Interfaces | SATA I and SATA II, MMC/SD card slot |
| USB Interfaces | USB 1.1 OHCI, USB 2.0 OTG with integrated PHY |
| Network Interface | 10/100 Mbps Ethernet MAC (EMAC) |
| Audio Interface | TI TLV320AIC3106 Stereo Audio CODEC |
| Display Interface | TFT LCD port, maximum resolution 1024 x 1024 pixels |
| Serial Interfaces | RS232, Multichannel Audio Serial Port (McASP), Multichannel Buffered Serial Ports (McBSPs) |
| Power Requirement | DC Input 5V |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -20°C to 80°C (-4°F to 176°F) |
Key Features
- Dual-core architecture with ARM926EJ-S RISC MPU and C674x DSP core for high-performance processing.
- Integrated peripherals including USB 1.1 OHCI and USB 2.0 OTG with integrated PHY, 10/100 Mbps Ethernet MAC (EMAC), and SATA I and SATA II controllers.
- TI TLV320AIC3106 Stereo Audio CODEC for advanced audio processing.
- Support for TFT LCD display with a maximum resolution of 1024 x 1024 pixels and 4-wire resistive touch screen.
- Multiple serial interfaces such as McASP, McBSPs, and RS232.
- High-speed parallel interface through the Universal Parallel Port (uPP) for FPGAs and data converters.
- Integrated Real-Time Clock (RTC) with 32-kHz oscillator and separate power rail.
- Enhanced high-resolution pulse width modulators (eHRPWMs) and enhanced capture (eCAP) modules.
- Support for various software platforms including TI Linux DVSDK, TI DSP/BIOS, and SYS/BIOS.
Applications
- Public Address (PA) systems, particularly in MRT and railway applications.
- Industrial automation and control systems.
- Audio and video processing systems due to the integrated audio CODEC and video interfaces.
- Networked devices requiring Ethernet connectivity.
- Embedded systems needing high-performance DSP and general-purpose processing.
- Capture and surveillance systems leveraging the processor's video and audio capabilities.
Q & A
- What is the OMAP-L138 processor?
The OMAP-L138 is a dual-core system-on-chip (SoC) from Texas Instruments, combining an ARM926EJ-S RISC MPU and a C674x fixed and floating-point VLIW DSP.
- What are the key peripherals of the OMAP-L138?
The key peripherals include USB 1.1 OHCI and USB 2.0 OTG, 10/100 Mbps Ethernet MAC, SATA I and SATA II controllers, and a TI TLV320AIC3106 Stereo Audio CODEC.
- What is the maximum resolution supported by the TFT LCD interface?
The TFT LCD interface supports a maximum resolution of 1024 x 1024 pixels.
- What are the supported storage interfaces?
The processor supports SATA I and SATA II, as well as an MMC/SD card slot.
- What is the power requirement for the OMAP-L138?
The power requirement is a DC input of 5V.
- What are the operating and storage temperature ranges?
The operating temperature range is 0°C to 60°C (32°F to 140°F), and the storage temperature range is -20°C to 80°C (-4°F to 176°F).
- What software platforms are supported by the OMAP-L138?
The processor supports TI Linux DVSDK, TI DSP/BIOS, SYS/BIOS, and Windows Embedded CE SDK.
- What are some typical applications of the OMAP-L138?
Typical applications include PA systems, industrial automation, audio and video processing, networked devices, and capture and surveillance systems.
- Does the OMAP-L138 have integrated audio processing capabilities?
Yes, it includes a TI TLV320AIC3106 Stereo Audio CODEC for advanced audio processing.
- What is the purpose of the Universal Parallel Port (uPP) in the OMAP-L138?
The Universal Parallel Port (uPP) provides a high-speed parallel interface to FPGAs and data converters.
