LM3S815-IQN50-C2T Texas Instruments Integrated Circuit (Other) In Stock
LM3S815-IQN50-C2T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments in a 48-pin LQFP package with up to 8 MHz clock frequency. It integrates an ADC, boundary scan JTAG debug, and fixed-point processing for embedded control applications. Suitable for industrial automation, motor control, and smart sensing systems requiring reliable 32-bit performance in a compact LQFP-48 form factor.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 48
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S815-IQN50-C2T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S815-IQN50-C2T?
- 32-bit ARM Cortex-M3 core operating at up to 8 MHz for efficient embedded control
- Integrated ADC for direct analog sensor digitization without external components
- JTAG boundary scan support for board-level production testing and in-system debugging
- Fixed-point arithmetic engine for deterministic real-time control algorithms
- 48-pin LQFP package balances I/O count and PCB footprint for compact embedded designs
What is LM3S815-IQN50-C2T used for?
The LM3S815-IQN50-C2T is well-suited for industrial automation and process control applications where a 32-bit ARM Cortex-M3 core at 8 MHz provides sufficient performance for sensor data acquisition and real-time actuator control. Its integrated ADC and JTAG debug interface simplify motor control and smart sensor node designs by reducing external component count. Building automation systems, HVAC controllers, and energy metering equipment also deploy this microcontroller for its reliable fixed-point processing and compact 48-pin LQFP form factor.
What are the specifications of LM3S815-IQN50-C2T?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 8MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G48 |
| JESD-609 Code | e4 |
| Low Power Mode | YES |
| Number of I/O Lines | 34 |
| Number of Serial I/Os | 4 |
| Number of Timers | 3 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP48,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 8192 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Current-Max | 110mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines |
Where can I find the LM3S815-IQN50-C2T datasheet?
LM3S815-IQN50-C2T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S815-IQN50-C2T?
Compatible alternatives and drop-in replacements for LM3S815-IQN50-C2T:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP48
Frequently Asked Questions
What is the maximum clock frequency of the LM3S815-IQN50-C2T, and which CPU architecture does it use?
The LM3S815-IQN50-C2T is based on a 32-bit ARM Cortex-M3 core running at up to 8 MHz. This clock rate supports a wide range of embedded control tasks including sensor polling, PID loop execution, and serial communications. The Cortex-M3 architecture provides hardware multiply and divide in a single instruction cycle, making it effective for fixed-point control algorithms in industrial systems.
How does the integrated ADC of this microcontroller simplify analog sensor interfacing in industrial designs?
The LM3S815-IQN50-C2T includes an on-chip ADC that allows direct connection of analog sensors such as temperature transducers, pressure sensors, and current shunts without requiring an external analog-to-digital converter IC. This reduces BOM cost and simplifies PCB routing, especially in industrial motor control and smart sensing nodes where multiple analog channels must be sampled. The ADC operates from the same supply as the microcontroller, simplifying the power supply design for 3.3 V systems.
For a compact industrial control board, how does the LQFP-48 package footprint affect PCB layout choices?
The LM3S815-IQN50-C2T comes in an LQFP-48 package with a 7 mm × 7 mm body and 0.5 mm pin pitch, providing 48 accessible I/O and power pins in a standard quad flat lead configuration. This footprint is compatible with most PCB assembly lines and allows manual soldering during prototyping. Compared to BGA alternatives, the LQFP-48 requires no via fanout and is easier to inspect for solder joint quality, making it a preferred choice for low-to-medium volume industrial production.
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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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