LM3S1R26-IQR80-C1T Texas Instruments In Stock
LM3S1R26-IQR80-C1T is a 32-bit ARM Cortex-M3 microcontroller by Texas Instruments with up to 80 MHz clock speed and 256 KB Flash memory. Key specs: 64 KB SRAM, USB 2.0 OTG, 12-bit ADC with 8 channels, and an 80-pin QFP package. Available in stock with worldwide shipping for embedded control and connectivity applications.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S1R26-IQR80-C1T?
- ARM Cortex-M3 core running at up to 80 MHz delivers deterministic real-time control performance
- Integrated USB 2.0 OTG controller enables both host and device modes without external USB PHY
- 12-bit ADC with 8 input channels provides precise analog signal acquisition for sensor and control applications
What is LM3S1R26-IQR80-C1T used for?
The LM3S1R26-IQR80-C1T is designed for industrial control, building automation, and portable instrumentation where a combination of USB connectivity and precision analog measurement is required. Its 80 MHz ARM Cortex-M3 core handles real-time tasks such as motor control loops and protocol processing with low latency. The 256 KB Flash and 64 KB SRAM provide ample code and data space for moderately complex embedded firmware.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for LM3S1R26-IQR80-C1T?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What clock speed and memory configuration does the LM3S1R26-IQR80-C1T offer for real-time control tasks?
The LM3S1R26-IQR80-C1T runs an ARM Cortex-M3 core at up to 80 MHz and includes 256 KB of Flash program memory along with 64 KB of SRAM. This combination supports complex real-time control firmware, protocol stacks, and data buffering without requiring external memory in most embedded applications.
How does the integrated USB 2.0 OTG port on the LM3S1R26-IQR80-C1T benefit portable device designs?
The on-chip USB 2.0 OTG controller supports both host and device roles, eliminating the need for a separate USB bridge chip and reducing BOM cost and PCB area. A portable data logger or handheld tester can connect to a PC as a USB device or drive a USB flash drive as a host, all within a single 80-pin QFP package.
Which analog measurement requirements is the LM3S1R26-IQR80-C1T well suited for in industrial sensor designs?
The integrated 12-bit ADC with 8 input channels achieves measurement resolution of approximately 0.024% full scale, making it suitable for temperature sensing, pressure monitoring, and current measurement in industrial systems. Operating from a 3.3 V supply, the ADC sample rate supports acquisition speeds adequate for slow to medium-speed sensor fusion tasks.
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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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