OMAPL138BZWTA3

The OMAPL138BZWTA3 is an embedded microprocessor IC featuring an ARM926EJ-S RISC core running at 375 MHz and an integrated C674x-series DSP coprocessor for signal-processing tasks. Designed for industrial-grade embedded applications, it combines compute and DSP capabilities with a broad set of interfaces to support networking, storage and human‑machine interface functions.

This device targets embedded and industrial systems that require mixed control and signal-processing workloads, offering on-chip memory subsystems, external memory controllers and a comprehensive I/O set to simplify system design and integration.

Key Features

• Core and DSP  ARM926EJ-S 32-bit processor at 375 MHz with an integrated C674x-series DSP coprocessor for high-throughput signal processing and control tasks.
• Memory and Cache  On-chip memory architecture described in the series includes multi-level cache and RAM options (L1/L2) and shared RAM for efficient data exchange between cores.
• External Memory Interfaces  Supports SDRAM controller and external memory interfaces (EMIFA) including NOR and NAND options, and DDR2 memory controller capability as documented for the series.
• High‑speed Storage and Networking  Integrated SATA 3 Gbps interface (1) and 10/100 Mbps Ethernet (1) enable embedded storage and networked applications.
• USB and Host Interfaces  On-chip USB 1.1 + PHY (1) and USB 2.0 + PHY (1) provide flexible USB connectivity for peripheral and host roles; additional HPI interface available for host port interactions.
• Peripheral and Display Support  LCD display interface controller is included to support human‑machine interfaces and embedded displays.
• DMA and I/O Subsystems  Enhanced DMA controller (EDMA3) with multiple channels and transfer controllers for low-overhead data movement across peripherals and memory.
• Security Features  Boot security and cryptography features are present to support secure boot and data protection requirements.
• Industrial Rating and Temperature Range  Rated for industrial operation with an operating temperature range of −40 °C to 105 °C.
• Package and Mounting  Supplied in a 361‑ball NFBGA package (16 × 16 mm) for surface-mount PCB assembly.
• Regulatory  RoHS compliant.

Typical Applications

• Industrial Control  Use the ARM core and DSP coprocessor to manage control loops, sensor processing and deterministic I/O in factory and process automation equipment.
• Embedded Networking & Gateways  Integrated Ethernet and USB interfaces make the device suitable for networked embedded gateways, protocol translation and field-data aggregation.
• Storage and Data Logging  On‑board SATA 3 Gbps and external memory interfaces support local storage, data-logging appliances and edge storage nodes.
• Human‑Machine Interfaces (HMI)  LCD controller and flexible I/Os enable development of operator panels, display units and embedded user interfaces.
• Signal Processing & Sensor Fusion  The C674x DSP coprocessor accelerates audio, sensor and control algorithms for real-time embedded signal-processing tasks.

Unique Advantages

• Integrated Processing Subsystem: ARM926EJ-S coupled with a C674x DSP coprocessor consolidates control and signal-processing workloads on a single device, reducing BOM and board-level complexity.
• Comprehensive I/O Mix: Native SATA, Ethernet and dual USB PHYs deliver a rich connectivity set for networking, storage and peripheral interfacing without external bridge chips.
• Flexible Memory Support: External memory interfaces including SDRAM, NOR/NAND support and DDR2 controller capability provide designers flexibility in choosing memory topologies and capacities.
• Industrial Temperature Range: Specified −40 °C to 105 °C operation makes the part suitable for demanding industrial environments.
• Security and Reliability: Built-in boot security and cryptography features help protect system integrity and intellectual property at boot and runtime.
• RoHS Compliant: Conforms to RoHS environmental requirements for easy integration into commercial products.

Why Choose OMAPL138BZWTA3?

The OMAPL138BZWTA3 positions itself as a versatile embedded processor for industrial designs that require combined general-purpose processing and DSP acceleration. Its 375 MHz ARM926EJ-S core, integrated C674x DSP coprocessor, robust memory subsystem and wide set of interfaces (SATA, Ethernet, USB, LCD, external memory) enable consolidated system designs with fewer external components.

This device is ideal for engineers developing industrial controllers, embedded gateways, storage-enabled appliances and HMI systems who need long-term robustness, secure boot capability and a proven embedded processing architecture with flexible I/O and memory options.

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