OMAPL138BZWTRB

The OMAPL138BZWTRB is an embedded microprocessor device featuring an ARM926EJ-S 32-bit core operating at 375 MHz with a C674x signal-processing co-processor and system-control CP15. Designed for embedded applications, the device combines processor performance with integrated memory controllers and a broad set of peripheral interfaces to support connectivity, storage and display functions in commercial-grade systems.

With on-chip security features and multiple external memory and I/O options, this device targets embedded designs that require a balance of compute and system integration for industrial, communications and consumer-focused applications.

Key Features

• Core and DSP  ARM926EJ-S 32-bit core at 375 MHz with a C674x signal-processing co-processor (DSP) and CP15 system control functionality.
• Processor memory architecture  ARM memory includes 16KB instruction cache, 16KB data cache, 8KB RAM for vector table and 64KB ROM as documented in the device datasheet.
• On-chip RAM and DSP memory  128KB of shared RAM is available for system and DSP use per the datasheet extract.
• External memory support  DDR2 and LPDDR memory controllers plus EMIFA for NOR/NAND and 16-bit SDRAM interfaces enable flexible external memory configurations.
• Interfaces — connectivity and storage  Integrated 10/100 Mbps Ethernet, SATA 3 Gbps, USB 1.1 + PHY and USB 2.0 + PHY provide wired networking and storage connectivity options.
• Display and host interfaces  LCD controller and HPI (Host Port Interface) for display and host communication needs.
• High-performance DMA  Enhanced DMA controller (EDMA3) with multiple channels and transfer controllers as described in the datasheet to support high-throughput data movement.
• Security features  Boot security and cryptography support for system-level protection.
• Package and mounting  361-ball LFBGA / 361-NFBGA (16 × 16) surface-mount package.
• Operating range & compliance  Commercial grade with operating temperature range 0 °C to 90 °C and RoHS-compliant status.
• Software support  Datasheet documents software support including TI DSP BIOS, Chip Support Library and DSP Library for development and integration.

Typical Applications

• Industrial Control  Use the ARM core plus DSP co-processor for real-time control, signal processing and connected monitoring while leveraging DDR2/LPDDR memory interfaces for application storage.
• Networked Storage and NAS  Integrated SATA 3 Gbps and 10/100 Ethernet provide a foundation for compact network-attached storage and media appliances.
• Human-Machine Interfaces  LCD controller, USB interfaces and HPI support display-driven user interfaces and host communications in embedded systems.
• Communications and Gateway Devices  Ethernet, USB and rich DMA capability enable data movement and protocol processing in embedded gateways and communication modules.

Unique Advantages

• Combined MPU and DSP capability:  ARM926EJ-S plus C674x DSP co-processor provide deterministic control and high-throughput signal processing in a single device.
• Integrated system interfaces:  On-chip Ethernet, SATA and USB interfaces reduce external components and simplify system-level design for connectivity and storage.
• Flexible memory options:  Support for DDR2 and LPDDR plus EMIFA for NOR/NAND and SDRAM allows designers to tailor memory architecture to application needs.
• Security primitives on-chip:  Boot security and cryptography features help implement secure boot flows and basic runtime protection.
• Package and thermal suitability for commercial products:  361-ball NFBGA surface-mount package and 0 °C to 90 °C operating range align with commercial embedded product requirements.
• Development ecosystem:  Documented support with TI DSP BIOS and libraries streamlines software development and integration.

Why Choose OMAPL138BZWTRB?

The OMAPL138BZWTRB positions itself as a flexible embedded processor solution combining an ARM926EJ-S general-purpose core with a C674x DSP co-processor, on-chip security, and a broad set of memory and I/O interfaces. These integrated capabilities reduce system complexity while providing the processing resources needed for mixed control, signal-processing and connectivity workloads.

This device is suited to engineers building commercial embedded systems that require integrated storage and network interfaces, display support and DSP-accelerated processing, backed by documented software libraries and development support from the device documentation.

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