LM3S5791-IQC80-C0 Texas Instruments Integrated Circuit (Other) In Stock
LM3S5791 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments' Stellaris family, running at up to 80 MHz with 256 KB Flash and 64 KB SRAM. It integrates USB, Ethernet MAC/PHY, CAN, and multiple analog peripherals for industrial connectivity and control applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S5791-IQC80-C0?
- 32-bit ARM Cortex-M3 core up to 80 MHz
- 256 KB Flash program memory and 64 KB SRAM
- Full-Speed USB 2.0 OTG and 10/100 Ethernet MAC/PHY
- CAN 2.0 A/B controller for industrial field-bus connectivity
- 12-bit ADC with 16 channels and integrated analog comparators
- Wide temperature operation -40°C to 85°C in QFP-100 package
What is LM3S5791-IQC80-C0 used for?
LM3S5791-IQC80-C0 is designed for industrial networked control applications requiring simultaneous Ethernet, USB, and CAN bus communication in a single ARM Cortex-M3 device. Typical deployments include factory automation controllers, building management systems, and energy monitoring equipment where 256 KB Flash and rich peripheral integration reduce external chip count.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Country of Origin | Country of Origin |
What are equivalent replacements for LM3S5791-IQC80-C0?
Compatible alternatives and drop-in replacements for LM3S5791-IQC80-C0:
Frequently Asked Questions
What communication interfaces does LM3S5791-IQC80-C0 integrate for industrial networking?
LM3S5791-IQC80-C0 integrates a 10/100 Ethernet MAC/PHY, USB 2.0 OTG Full-Speed, and CAN 2.0 A/B on a single 32-bit ARM Cortex-M3 die running at up to 80 MHz, supporting multi-protocol industrial networking without external bridge ICs.
How much on-chip memory is available on LM3S5791-IQC80-C0 for embedded firmware?
The device offers 256 KB of on-chip Flash program memory and 64 KB of SRAM, providing ample space for embedded TCP/IP stacks, USB drivers, and CAN protocol layers within a single integrated ARM Cortex-M3 microcontroller.
Which industrial temperature and package options apply to LM3S5791-IQC80-C0?
LM3S5791-IQC80-C0 is rated for an industrial temperature range of -40°C to 85°C and is housed in a 100-pin QFP package, providing sufficient GPIO and peripheral access for complex industrial PCB designs.
Is LM3S5791-IQC80-C0 still in active production and what lifecycle risk should procurement consider?
The LM3S5791 belongs to TI's legacy Stellaris family, which has been superseded by the Tiva C series; procurement teams should verify current lifecycle status and consider TM4C1294 as a pin-compatible migration path offering 120 MHz Cortex-M4F performance and extended longevity.
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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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