Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Integrated Circuits (ICs)Embedded - Microprocessors~~OMAPL138EZWTA3R~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

OMAPL138EZWTA3R - Texas Instruments

Name: Texas Instruments OMAPL138EZWTA3R
Brand: Texas Instruments
SKU: OMAPL138EZWTA3R
Availability: InStock
Rating: 5 (5 reviews)

Manufacturer Part Number: OMAPL138EZWTA3R

Manufacturer: Texas Instruments

Allelco Part Number: 32D-OMAPL138EZWTA3R

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 5,533 pcs available, New & Original

Parts Description: IC MPU OMAP-L1X 375MHZ 361NFBGA

Package: 361-NFBGA (16x16)

Data sheet: OMAPL138EZWTA3R.pdf

PCN Assembly/Origin
Multiple Parts 28/Jul/2022.pdf

PCN Design/Specification
nfBGA 01/Jul/2016.pdf

HTML Datasheet
OMAP-L138 Datasheet.pdf

RoHs Status: ROHS3 Compliant

~~Compare~~

Our certification

In stock: 5533

Specifications

OMAPL138EZWTA3R Tech Specifications
Texas Instruments - OMAPL138EZWTA3R technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OMAPL138EZWTA3R

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - I/O	1.8V, 3.3V
USB	USB 1.1 + PHY (1), USB 2.0 + PHY (1)
Supplier Device Package	361-NFBGA (16x16)
Speed	375MHz
Series	OMAP-L1x
Security Features	Boot Security, Cryptography
SATA	SATA 3Gbps (1)
RAM Controllers	SDRAM
Package / Case	361-LFBGA
Package	Tape & Reel (TR)

Product Attribute	Attribute Value
Operating Temperature	-40°C ~ 105°C (TJ)
Number of Cores/Bus Width	1 Core, 32-Bit
Mounting Type	Surface Mount
Graphics Acceleration	No
Ethernet	10/100Mbps (1)
Display & Interface Controllers	LCD
Core Processor	ARM926EJ-S
Co-Processors/DSP	Signal Processing; C674x, System Control; CP15
Base Product Number	OMAPL138
Additional Interfaces	HPI, I²C, McASP, McBSP, MMC/SD, SPI, UART

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	3A991A2
HTSUS	8542.31.0001

Parts Introduction

OMAPL138EZWTA3R (1)

Manufacturer Part Number

OMAPL138EZWTA3R

Manufacturer

Texas Instruments

Introduction

High-performance, low-power ARM926EJ-S-based system-on-chip (SoC) for embedded applications

Product Features and Performance

ARM926EJ-S core running at 375 MHz

Integrated mixed-signal analog peripherals

Dual USB 1.1 + PHY and USB 2.0 + PHY

10/100Mbps Ethernet MAC

SATA 3Gbps interface

LCD display and graphics acceleration support

DSP and signal processing co-processors

Cryptography and boot security features

Product Advantages

Powerful and flexible ARM-based SoC

Optimized for low-power and high-performance embedded applications

Extensive peripheral integration for diverse applications

Robust security and safety features

Key Technical Parameters

ARM926EJ-S core, 32-bit

375 MHz operating frequency

1 core

SDRAM memory controllers

Wide range of peripherals and interfaces

Quality and Safety Features

RoHS3 compliant

-40°C to 105°C operating temperature range

Compatibility

Compatible with various embedded and industrial applications

Application Areas

Industrial automation and control

Medical devices

Automotive electronics

Robotics

Portable and handheld devices

Product Lifecycle

Current product, not nearing discontinuation

Replacement or upgrade options available from Texas Instruments

Key Reasons to Choose This Product

Powerful ARM-based SoC with rich peripheral integration

Optimized for low-power and high-performance embedded applications

Robust security and safety features

Wide temperature range and long-term availability

Proven track record and extensive ecosystem support from Texas Instruments

Frequently Asked Questions(FAQ)

How does the OMAPL138EZWTA3R compare to other processors in the OMAP-L1x series for embedded signal processing applications requiring real-time performance?: The OMAPL138EZWTA3R features a 375MHz ARM926EJ-S core paired with a C674x floating-point DSP, offering higher computational throughput than lower-speed variants like the OMAPL137. This enables efficient execution of complex digital signal processing algorithms within tight timing constraints. The integrated memory controller and multiple high-speed interfaces further enhance its suitability for real-time embedded systems where deterministic performance is critical.

What are the key differences between the OMAPL138EZWTA3R and more modern ARM Cortex-M-based microcontrollers when designing industrial control systems?: While the OMAPL138EZWTA3R offers dual-processor architecture with both application (ARM9) and signal processing (C674x) capabilities, it consumes significantly more power and die area compared to single-core Cortex-M devices. For industrial controls requiring simple state machines or basic sensor interfacing, a Cortex-M would be more cost-effective. However, for applications demanding heavy math operations or multimedia processing alongside control logic, the OMAPL138’s heterogeneous computing model provides superior flexibility.

Can the OMAPL138EZWTA3R support secure boot and cryptographic operations in edge device deployments?: Yes, the OMAPL138EZWTA3R includes hardware-enforced boot security features and dedicated cryptography accelerators that support common symmetric and asymmetric algorithms such as AES, SHA-1/2, RSA, and DES. These are essential for protecting firmware integrity and enabling secure communication in IoT endpoints or remote monitoring equipment operating over untrusted networks.

Is it feasible to interface an external LCD panel directly with the OMAPL138EZWTA3R without additional display controllers?: The OMAPL138EZWTA3R integrates a dedicated LCD controller capable of driving monochrome and color panels up to QVGA resolution. It supports various timing modes and parallel RGB interfaces, allowing direct connection to small embedded displays. However, for higher-resolution or touch-enabled screens, external display bridge chips may still be required due to bandwidth limitations at 375MHz operation.

How should thermal management be considered during PCB layout for the OMAPL138EZWTA3R in automotive-grade designs?: Operating across -40°C to 105°C junction temperature requires careful attention to power dissipation and heat spreading. The 361-ball NFBGA package has limited pad exposure, so a robust ground plane beneath the component and thermal vias are recommended. In high-ambient environments, consider airflow or heatsinking strategies, especially when running both CPU and DSP cores at sustained loads with active Ethernet or SATA traffic.

What impact does the 1.8V I/O voltage have on interfacing legacy peripherals with the OMAPL138EZWTA3R?: The OMAPL138EZWTA3R uses 1.8V logic levels on most general-purpose I/Os, which necessitates level shifting when connecting to 3.3V or 5V devices such as older UART transceivers or analog sensor interfaces. Failure to manage this mismatch can result in unreliable communication or permanent damage. Bidirectional level translators or discrete MOSFET-based shifters are commonly employed in mixed-voltage designs.

Are there any known limitations when using the McASP or McBSP interfaces simultaneously in audio capture applications with the OMAPL138EZWTA3R?: Both McASP and McBSP share certain system clocks and pin multiplexing resources on the OMAPL138EZWTA3R. While they can operate concurrently under specific clock domain configurations, aggressive simultaneous use—such as full-duplex audio streaming on both ports with independent sampling rates—may require careful PLL programming and buffer management to avoid data loss or synchronization errors.

How does the presence of both USB 1.1 and USB 2.0 ports affect peripheral selection when integrating the OMAPL138EZWTA3R into a medical device?: The dual USB interfaces allow backward compatibility with legacy instrumentation while supporting high-speed data transfer for imaging peripherals. However, only one USB host port can be active at a time unless firmware explicitly manages endpoint arbitration. Additionally, USB 2.0 enumeration overhead must be factored into boot timing, particularly if rapid device initialization is required in safety-critical medical environments.

What precautions should be taken during reflow soldering when assembling boards populated with the OMAPL138EZWTA3R?: As a Moisture Sensitivity Level 3 component, the OMAPL138EZWTA3R must undergo bake-out if exposed to ambient humidity beyond 168 hours prior to reflow. Standard lead-free reflow profiles should adhere strictly to IPC-J-STD-020 specifications, ensuring peak temperatures do not exceed the maximum rated value. Inadequate drying or excessive thermal exposure risks popcorning or bond wire degradation.

Can the SATA interface on the OMAPL138EZWTA3R be used to connect solid-state storage in a ruggedized surveillance system?: The integrated SATA 3Gbps controller supports ATA command queuing and native hot-plug capability, making it suitable for connecting SSDs in continuous-recording surveillance setups. However, system-level latency must account for both SATA protocol overhead and the ARM926EJ-S’s relatively modest DMA efficiency. Real-time write buffering via external SRAM or NAND flash is often necessary to prevent frame drops during burst recording events.

How does the absence of integrated GPU acceleration influence multimedia capabilities in end products using the OMAPL138EZWTA3R?: Without a graphics accelerator, the OMAPL138EZWTA3R relies solely on software rendering for any graphical output, limiting it to basic UI elements or text overlays on supported LCDs. This constrains use cases to non-visual or low-fidelity display needs, such as diagnostic dashboards or simple operator interfaces, but reduces overall BOM cost and power consumption compared to GPU-equipped alternatives.

What role does CP15 play in system configuration and optimization when developing firmware for the OMAPL138EZWTA3R?: CP15 is the coprocessor interface controlling cache behavior, MMU settings, and system performance registers on the ARM926EJ-S core. Proper configuration enables instruction/data caching, branch prediction tuning, and memory protection—critical for deterministic execution in real-time kernels. Misconfiguration can lead to unpredictable latencies or crashes, especially when sharing memory regions between CPU and DSP subsystems.

Is it possible to run Linux on the OMAPL138EZWTA3R, and what are the implications for real-time tasks?: Yes, lightweight Linux distributions such as MontaVista or custom builds based on uClinux can run on the OMAPL138EZWTA3R, leveraging its MMU support. However, the absence of a real-time kernel patch (like PREEMPT_RT) means hard deadlines may not be guaranteed. For time-sensitive DSP workloads, co-scheduling with a real-time OS or using the C674x directly in bare-metal mode is preferable.

How does the choice of external SDRAM affect boot time and memory bandwidth when starting up systems with the OMAPL138EZWTA3R?: Fast synchronous DRAM with low CAS latency improves initialization speed and sustains higher data throughput, directly impacting boot duration and application responsiveness. The OMAPL138EZWTA3R’s integrated memory controller supports standard DDR/DDR2 interfaces, but timing parameters must be calibrated according to the selected IC’s characteristics to ensure stable operation at maximum clock rates.

What considerations apply when designing enclosure cooling solutions for enclosures housing multiple OMAPL138EZWTA3R-based units in telecom rack environments?: Telecom racks generate cumulative heat from numerous boards; each OMAPL138EZWTA3R dissipates several watts under load. Adequate ventilation or forced air flow is typically required to maintain junction temperatures below 105°C, particularly when multiple units drive active Ethernet, SATA, and USB peripherals simultaneously. Thermal modeling should include worst-case power budgets and ambient conditions.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OMAPL138EZWTA3R

Product Attribute
Part Number	OMAPL138EZWTA3	OMAPL138EZWTQ4R	OMAPL138EZWT3	OMAPL138EZWTQ5R
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Speed	-	-	-	-
Security Features	-	-	-	-
Number of Cores/Bus Width	-	-	-	-
RAM Controllers	-	-	-	-
Ethernet	-	-	-	-
Series	-	-	-	-
Core Processor	-	-	-	-
Additional Interfaces	-	-	-	-
Co-Processors/DSP	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Voltage - I/O	-	-	-	-
Display & Interface Controllers	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Graphics Acceleration	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
SATA	-	-	-	-
USB	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)

OMAPL138EZWTA3R Datasheet PDF

Download OMAPL138EZWTA3R pdf datasheets and Texas Instruments documentation for OMAPL138EZWTA3R - Texas Instruments.

PCN Assembly/Origin: Multiple Parts 28/Jul/2022.pdf
PCN Design/Specification: nfBGA 01/Jul/2016.pdf
HTML Datasheet: OMAP-L138 Datasheet.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
PSMA