LM3S8971-IQC50 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
Texas Instruments LM3S8971-IQC50 is a 32-bit ARM Cortex-M3 microcontroller running at 50 MHz with Ethernet MAC and PHY, CAN, and USB support in LQFP-100 package. Features 256 KB flash, 64 KB SRAM, and rich peripheral set for industrial networking. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- ACTIVE
- Datasheet
- LM3S8971-IQC50 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S8971-IQC50?
- 32-bit ARM Cortex-M3 core at 50 MHz for high-performance embedded control
- Integrated 10/100 Ethernet MAC and PHY with IEEE 802.3 compliance for direct network connectivity
- 256 KB flash and 64 KB SRAM with CAN, USB, UART, SPI, and I2C peripherals in LQFP-100 package
What is LM3S8971-IQC50 used for?
The LM3S8971-IQC50 is well suited for industrial automation, networked sensor nodes, and building control systems that require Ethernet connectivity alongside real-time control. Its integrated CAN interface makes it ideal for automotive diagnostics and factory-floor equipment communicating on CAN bus networks. Engineers also deploy it in energy-monitoring gateways and smart metering applications that demand robust 32-bit processing with on-chip networking.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LM3S8971-IQC50 datasheet?
LM3S8971-IQC50 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S8971-IQC50?
Compatible alternatives and drop-in replacements for LM3S8971-IQC50:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
Frequently Asked Questions
What clock speed and flash capacity does the LM3S8971-IQC50 provide for real-time control tasks?
The LM3S8971-IQC50 operates its ARM Cortex-M3 core at up to 50 MHz and includes 256 KB of on-chip flash memory along with 64 KB of SRAM, giving designers ample code space and working memory for real-time embedded applications requiring deterministic response times.
Which communication interfaces are integrated in the LM3S8971-IQC50 for industrial networking designs?
The device integrates a 10/100 Ethernet MAC and PHY, a CAN 2.0 controller, USB full-speed OTG, three UART ports, two SPI interfaces, and two I2C buses, enabling rich multi-protocol connectivity in a single 100-pin LQFP package without requiring external network controllers.
In which industrial applications does the LM3S8971-IQC50 outperform simpler 8-bit microcontrollers?
Applications such as networked PLC I/O modules, CAN-based motor drives, and Ethernet-connected energy meters benefit from the LM3S8971's 32-bit 50 MHz Cortex-M3 core, hardware floating-point support through the Thumb-2 ISA, and on-chip DMA, all of which are beyond the capability of typical 8-bit MCUs running at 8-20 MHz.
What operating temperature range does the LM3S8971-IQC50 support for harsh environments?
The LM3S8971-IQC50 is rated for an industrial temperature range of -40°C to +85°C, making it suitable for outdoor equipment enclosures, factory automation cabinets, and other environments where ambient temperature fluctuates well beyond commercial grade limits.
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Why Buy from FindMyChip
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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