LM3S6938-IQC50 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
The LM3S6938-IQC50 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments running at up to 50 MHz with an integrated Ethernet MAC and PHY. It features a rich peripheral set including USB OTG, CAN, UART, SPI, and I2C interfaces for connected embedded applications. Available in a 100-pin LQFP package with worldwide in-stock shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- ACTIVE
- Datasheet
- LM3S6938-IQC50 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit ARM Cortex-M3 core at 50 MHz delivers deterministic real-time performance for industrial and networking applications
- Integrated Ethernet MAC and PHY enables direct network connectivity without an external PHY chip, reducing BOM cost
- USB OTG and CAN bus support in a single device simplifies multi-protocol connectivity in automotive and industrial designs
- 100-pin LQFP package provides abundant GPIO and peripheral I/O for complex system-on-chip designs
Applications
The LM3S6938-IQC50 is targeted at networked industrial control systems, building automation gateways, and motor drive controllers that require simultaneous Ethernet, USB, and CAN connectivity. Its Cortex-M3 core and integrated Ethernet PHY make it an efficient solution for web-enabled embedded devices such as energy monitors, HVAC controllers, and factory floor nodes. The broad peripheral integration also suits medical instrumentation and data acquisition systems where multiple communication interfaces are needed on a single chip.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S6938-IQC50:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
Frequently Asked Questions
What is the CPU core and maximum clock speed of the LM3S6938-IQC50?
The LM3S6938-IQC50 is based on a 32-bit ARM Cortex-M3 processor running at up to 50 MHz. The Cortex-M3 architecture provides a Thumb-2 instruction set, hardware divide, and single-cycle multiply, delivering efficient code density and deterministic interrupt response for real-time embedded applications.
Does the LM3S6938-IQC50 include an integrated Ethernet controller?
Yes, the LM3S6938-IQC50 integrates a full 10/100 Ethernet MAC and PHY on-chip. This eliminates the need for an external PHY component, reducing PCB area, BOM cost, and design complexity for network-connected applications such as industrial gateways, building automation controllers, and web-enabled instrumentation.
What communication peripherals are available on the LM3S6938-IQC50?
The device includes a comprehensive peripheral set: USB OTG (On-The-Go), CAN bus, multiple UARTs, SPI (SSI), I2C, and Ethernet. This broad interface coverage allows a single chip to serve as a multi-protocol hub in industrial control, automotive, and consumer connectivity applications without external bridge ICs.
What package does the LM3S6938-IQC50 use?
The LM3S6938-IQC50 is available in a 100-pin LQFP (Low-Profile Quad Flat Package). The fine-pitch surface-mount package provides access to the full GPIO and peripheral I/O complement and is compatible with standard SMT assembly processes used in industrial and commercial PCB manufacturing.
What are typical applications for the LM3S6938-IQC50?
Typical applications include industrial Ethernet nodes, building automation controllers, energy management systems, motor controllers with network connectivity, and USB-to-CAN gateway devices. The combination of Ethernet, USB OTG, and CAN in one chip is particularly valued in factory automation and smart grid equipment where multiple communication standards must coexist.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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