LM3S9B92-IQC80T Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
The LM3S9B92-IQC80T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments running up to 80 MHz with rich connectivity peripherals. It integrates USB, Ethernet MAC/PHY, CAN, and multiple serial interfaces in a quad flat package. Designed for industrial control, automation, and connected embedded applications requiring high performance.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- ACTIVE
- Datasheet
- LM3S9B92-IQC80T Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S9B92-IQC80T?
- ARM Cortex-M3 core operating at up to 80 MHz delivering 32-bit processing for demanding embedded control tasks
- Integrated USB, Ethernet MAC/PHY, and CAN interfaces enabling multi-protocol connectivity in a single chip
- Rich peripheral set including multiple UARTs, SPI, I2C, and 12-bit ADC channels for versatile sensor and actuator interfacing
- Industrial-grade quad flat package supporting reliable operation across extended temperature ranges in harsh environments
What is LM3S9B92-IQC80T used for?
The LM3S9B92-IQC80T targets industrial automation controllers, motor drives, and building automation systems that require robust connectivity alongside real-time 32-bit processing at 80 MHz. Its integrated Ethernet and USB interfaces simplify network-connected embedded product development without external PHY chips. The device also suits energy management gateways and factory I/O modules benefiting from its multi-protocol peripheral integration.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the LM3S9B92-IQC80T datasheet?
LM3S9B92-IQC80T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S9B92-IQC80T?
Compatible alternatives and drop-in replacements for LM3S9B92-IQC80T:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 80MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 80MHz, CMOS, PQFP100
Frequently Asked Questions
At what maximum clock frequency does the LM3S9B92-IQC80T ARM Cortex-M3 core operate?
The LM3S9B92-IQC80T runs its ARM Cortex-M3 core at up to 80 MHz, providing ample processing throughput for real-time industrial control loops, communication protocol stacks, and signal processing tasks. This clock rate positions it between lower-end 48 MHz microcontrollers and higher-cost DSP-class devices for mid-range embedded designs.
Which communication interfaces are integrated on the LM3S9B92-IQC80T?
The device integrates USB, Ethernet MAC/PHY, and CAN bus interfaces alongside multiple UARTs, SPI, and I2C channels. Having Ethernet MAC/PHY on-chip removes the need for an external PHY component, reducing BOM cost and board area. The CAN interface supports industrial fieldbus connectivity for automation and motor control networks operating at up to 1 Mbit/s.
How does LM3S9B92-IQC80T compare to a simpler 8-bit MCU for an industrial gateway design?
Unlike 8-bit MCUs, the LM3S9B92-IQC80T provides a 32-bit ARM Cortex-M3 core at 80 MHz with hardware Ethernet and USB, enabling the device to run a full TCP/IP stack and multi-threaded RTOS simultaneously. An 8-bit MCU at 8–16 MHz would typically require external Ethernet controllers and lack sufficient throughput for concurrent multi-protocol gateway tasks.
What package does LM3S9B92-IQC80T use and how does it affect PCB layout complexity?
The LM3S9B92-IQC80T is housed in a quad flat package (QFP) format. QFP packages expose pins on all 4 sides, requiring careful signal routing and power/ground plane management but are hand-solderable and visually inspectable. The package suits mid-complexity 4-layer PCBs typical of industrial control boards with mixed digital, analog, and power domains.
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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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