About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

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)
HomeProductsIntegrated Circuits (ICs)Embedded - MicroprocessorsOMAPL138EZWTA3
OMAPL138EZWTA3 Image
OMAPL138EZWTA3 Image - 1
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

OMAPL138EZWTA3 - Texas Instruments

Manufacturer Part Number
OMAPL138EZWTA3
Manufacturer
Texas Instruments
Allelco Part Number
32D-OMAPL138EZWTA3
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
4,498 pcs available, New & Original
Parts Description
IC MPU OMAP-L1X 375MHZ 361NFBGA
Package
361-NFBGA (16x16)
Data sheet
OMAPL138EZWTA3.pdf

HTML Datasheet

OMAP-L138 Datasheet.pdf

PCN Assembly/Origin

2.73KHz.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 4498
  • Unit Price: $22.19
  • Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $22.19 $22.19
3+ $21.54 $64.62
30+ $20.58 $617.40
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

OMAPL138EZWTA3 Tech Specifications
Texas Instruments - OMAPL138EZWTA3 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - OMAPL138EZWTA3

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 Tray
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

OMAPL138EZWTA3 Image
OMAPL138EZWTA3 (1)

Manufacturer Part Number

OMAPL138EZWTA3

Manufacturer

Texas Instruments

Introduction

Highly integrated and power-efficient ARM-based processor for embedded applications

Product Features and Performance

ARM926EJ-S core operating at 375MHz

Integrated LCD controller, USB, Ethernet, SATA, and other peripherals

Supports various communication interfaces like I2C, SPI, UART

Integrated security features like boot security and cryptography

Optimized for low power and high performance

Product Advantages

Comprehensive set of integrated peripherals

Excellent power efficiency

Robust security features

Suitable for a wide range of embedded applications

Key Technical Parameters

32-bit ARM926EJ-S core

Operating temperature range: -40°C to 105°C

Supports 1.8V and 3.3V I/O voltages

Package: 361-NFBGA (16x16)

Quality and Safety Features

RoHS3 compliant

Designed and manufactured to high-quality standards

Compatibility

Compatible with a variety of embedded systems and applications

Application Areas

Industrial automation

Automotive electronics

Medical devices

Telecommunications equipment

Consumer electronics

Product Lifecycle

Currently in active production

Replacement or upgrade options may be available in the future

Key Reasons to Choose This Product

Highly integrated and feature-rich processor

Excellent power efficiency and thermal performance

Robust security features for critical applications

Wide range of supported interfaces and peripherals

Suitable for a diverse set of embedded applications

Frequently Asked Questions(FAQ)

How does the OMAPL138EZWTA3 compare to other OMAP-L1x series processors in terms of power efficiency and thermal performance under sustained DSP workloads?
The OMAPL138EZWTA3 integrates the ARM926EJ-S core with a C674x fixed-point DSP, enabling efficient signal processing at 375MHz. Compared to earlier OMAP-L1x variants lacking integrated DSPs, this device reduces board-level component count and power overhead by combining CPU and DSP functions on a single die. Under continuous DSP computation, total system power typically remains below 1.2W when operating at full speed with 1.8V I/O and 3.3V core supplies, which is favorable for embedded control applications requiring real-time processing without active cooling. Its junction-to-ambient thermal resistance is approximately 28°C/W, allowing operation up to 105°C TJ in compact enclosures.
What are the key differences between using the OMAPL138EZWTA3 with external SDRAM versus internal memory options, and how does this impact boot sequence and application latency?
The OMAPL138EZWTA3 lacks on-chip SRAM beyond minimal cache and register files, so most applications require external SDRAM for code and data storage. This necessitates a two-stage boot process: first loading a minimal boot loader from SPI or SD/MMC into internal ROM or external NOR flash, then initializing SDRAM before transferring main firmware. Access latencies through the EMIF interface can add 50–100 microseconds compared to tightly coupled memories. Applications prioritizing deterministic response times should preload critical routines into available L1 caches or use faster external interfaces like DDR2 with tighter timing constraints.
Can the OMAPL138EZWTA3 support real-time operating systems (RTOS) effectively, and what hardware features facilitate task scheduling and interrupt handling?
Yes, the OMAPL138EZWTA3 is well-suited for RTOS-based designs due to its ARM926EJ-S core supporting ARMv5TE instruction set and full MMU capabilities. The CP15 co-processor enables virtual memory management and cache control, which benefits context switching and memory protection in multitasking environments. Additionally, the device supports nested vectored interrupts and fast interrupt mode, reducing worst-case interrupt latency to under 10 cycles. Paired with peripherals like McBSP and McASP for time-critical I/O, this architecture supports robust real-time performance in industrial automation and communication gateways.
How does the USB 2.0 port on the OMAPL138EZWTA3 differ functionally from the USB 1.1 port, and which should be used for high-speed host-to-device communication?
The OMAPL138EZWTA3 includes one USB 2.0 High-Speed PHY and one USB 1.1 Full-Speed PHY, each with dedicated transceivers. The USB 2.0 port supports data rates up to 480 Mbps and is suitable for high-bandwidth applications such as streaming video or mass storage devices. In contrast, the USB 1.1 port is limited to 12 Mbps and better suited for low-power peripherals like keyboards or sensors. For host-mode operation with external devices requiring sustained throughput, the USB 2.0 port must be utilized; however, software stack compatibility and endpoint configuration still depend on firmware implementation.
Is it feasible to drive an LCD display directly from the OMAPL138EZWTA3 without additional logic, and what resolution and interface limitations apply?
The OMAPL138EZWTA3 includes a dedicated LCD controller capable of driving monochrome or color panels via parallel RGB, serial RGB, or TTL interfaces. Maximum supported resolutions vary by panel type but generally cap out around 1024x768 for TFT displays under typical clocking conditions. However, due to shared bus bandwidth with other subsystems, complex overlays or high refresh rates may require DMA-assisted transfers to avoid frame drops. External level shifters are necessary when interfacing with 5V logic LCD modules, as the device operates at 1.8V and 3.3V I/O levels.
What security mechanisms are built into the OMAPL138EZWTA3, and how do they influence secure boot and data encryption workflows?
The OMAPL138EZWTA3 incorporates hardware-based security features including secure boot ROM, cryptographic accelerators supporting AES-128/256, DES, RSA, and SHA-1/SHA-2 hashing. Secure boot ensures only signed firmware loads during initialization, preventing unauthorized code execution. These capabilities enable end-to-end protection for sensitive applications such as industrial metering or wireless sensor nodes. However, implementing full-chain security requires careful key management and secure storage provisioning, often involving external tamper-resistant memory modules.
How does the SATA interface on the OMAPL138EZWTA3 perform in terms of throughput and reliability when connected to consumer-grade hard drives?
The OMAPL138EZWTA3 provides a SATA 3Gbps interface compliant with AHCI 1.0 specifications, supporting native command queuing and hot-plug functionality. Real-world sequential read/write speeds typically reach 250–280 MB/s when paired with standard 2.5-inch HDDs, though actual performance depends on drive characteristics and link negotiation success. Reliability is enhanced by built-in CRC checking and link training algorithms, but sustained heavy I/O loads can compete with CPU resources due to lack of DMA optimization in early silicon revisions—firmware updates may be required for optimal behavior.
Can multiple OMAPL138EZWTA3 devices be synchronized over Ethernet for distributed control systems, and what protocol overhead is expected?
While the OMAPL138EZWTA3 embeds a 10/100Mbps Ethernet MAC, synchronizing multiple units requires precise timestamping and software coordination since there’s no hardware IEEE 1588 PTP support. Application-layer protocols such as UDP-based NTP or custom message passing introduce variable jitter, limiting synchronization accuracy to milliseconds rather than microseconds. For sub-millisecond precision, consider external FPGA-based timing networks or upgrade to devices with integrated PTP engines. Bandwidth utilization scales linearly with message frequency, so periodic status updates at 1kHz consume roughly 20% of available Ethernet capacity.
What considerations apply when selecting an external oscillator for the OMAPL138EZWTA3 to ensure stable operation across temperature extremes?
The OMAPL138EZWTA3 relies on an external crystal or resonator for its reference clock, typically 24–33 MHz depending on PLL configuration. For reliable operation from -40°C to 105°C, choose an oven-controlled or high-stability fundamental-mode crystal with load capacitance matching the board design (commonly 18pF to 22pF). Frequency tolerance should be within ±20 ppm or better to maintain PLL lock and prevent timing drift. Avoid overtone crystals unless explicitly supported by the device’s input circuitry, as improper selection risks startup failure or intermittent resets in cold environments.
How does the HPI interface complement the main CPU in the OMAPL138EZWTA3 when used with coprocessors, and what are typical latency implications?
The High-Performance Peripheral Interface (HPI) on the OMAPL138EZWTA3 enables direct data transfer between the ARM926EJ-S core and external co-processors such as FPGAs or secondary DSPs without CPU intervention. Using burst mode, HPI achieves transfer rates up to 10 MB/s over a 16-bit bus, reducing CPU load during bulk data moves like image preprocessing or ADC buffering. Latency per transaction averages 2–3 microseconds under normal conditions, though interrupt-driven handshaking adds minor overhead. This offloads the main core effectively but demands careful buffer alignment and priority arbitration in multi-master systems.
What are the recommended decoupling strategies for the OMAPL138EZWTA3 power rails to minimize noise and ensure reliable operation near 105°C?
The OMAPL138EZWTA3 requires separate decoupling for its 1.8V and 3.3V I/O domains, each needing at least one 100nF ceramic capacitor placed within 2mm of respective bond pads. Additional bulk capacitance (e.g., 10µF tantalum or polymer) helps stabilize voltage under transient loads common during peripheral bursts. At elevated temperatures, use X7R or NP0 dielectric capacitors rated for 125°C to avoid capacitance derating. Power sequencing must adhere strictly to TI’s guidelines—typically VDD_CORE before VDD_IO—to prevent latch-up and ensure clean reset assertion.
How does the absence of on-chip graphics acceleration affect UI development on the OMAPL138EZWTA3, and what alternatives exist for rendering user interfaces?
Without dedicated GPU support, the OMAPL138EZWTA3 relies entirely on the ARM926EJ-S core for rendering graphical elements, making smooth animations or high-frame-rate UIs impractical. Developers typically implement lightweight bitmap-based or vector-driven interfaces using libraries optimized for Thumb instruction set execution. Frame buffers are managed in external SDRAM, consuming significant memory bandwidth. Alternatives include leveraging the LCD controller’s DMA engine to blit static backgrounds while updating dynamic content via CPU-driven pixel writes, or offloading simple tasks to external MCUs with integrated display drivers.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments OMAPL138EZWTA3

Product Attribute OMAPL138EZWTA3R OMAPL138EZWTQ3 OMAPL138EZWT3 OMAPL138EZWTA4
Part Number OMAPL138EZWTA3R OMAPL138EZWTQ3 OMAPL138EZWT3 OMAPL138EZWTA4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Base Product Number - DAC34H84 MAX500 ADS62P42
RAM Controllers - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Co-Processors/DSP - - - -
Core Processor - - - -
Security Features - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Display & Interface Controllers - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
SATA - - - -
Ethernet - - - -
USB - - - -
Speed - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - I/O - - - -
Additional Interfaces - - - -
Number of Cores/Bus Width - - - -
Graphics Acceleration - - - -

OMAPL138EZWTA3 Datasheet PDF

Download OMAPL138EZWTA3 pdf datasheets and Texas Instruments documentation for OMAPL138EZWTA3 - Texas Instruments.

HTML Datasheet
OMAP-L138 Datasheet.pdf
PCN Assembly/Origin
2.73KHz.pdf
PCN Design/Specification
Cylindrical Battery Holders.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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

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

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
OMAPL138EZWTA3 Image

OMAPL138EZWTA3

Texas Instruments
32D-OMAPL138EZWTA3

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB