LM3S1N11-IQC50-C3 Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S1N11-IQC50-C3 is a 32-bit ARM Cortex-M3 microcontroller with 67 GPIO lines, integrated ADC, and DMA controller in a 100-pin LQFP package. It delivers deterministic real-time control with on-chip peripherals for industrial and embedded automation applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1N11-IQC50-C3 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 LM3S1N11-IQC50-C3?
- 32-bit ARM Cortex-M3 core with DMA controller and 67 I/O lines enabling high-throughput data movement and rich peripheral connectivity in demanding embedded control applications
- Integrated ADC channels providing on-chip analog measurement capability without external ADC ICs, reducing system BOM and PCB complexity
- 100-pin LQFP package with 67 programmable GPIO lines supporting a wide mix of UART, SPI, I2C, and PWM peripherals in a single device
What is LM3S1N11-IQC50-C3 used for?
The LM3S1N11-IQC50-C3 is suited for industrial automation controllers, motor drive systems, and building management equipment requiring a 32-bit ARM core with rich on-chip peripherals and a large I/O count. Its DMA controller and integrated ADC make it effective for data acquisition front ends, HVAC control units, and energy metering systems where concurrent analog sampling and digital communication must run without CPU intervention.
What are the specifications of LM3S1N11-IQC50-C3?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G100 |
| Number of I/O Lines | 67 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP100,.63SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 12288 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.2V |
| Supply Voltage-Nom | 1.2V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Where can I find the LM3S1N11-IQC50-C3 datasheet?
LM3S1N11-IQC50-C3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S1N11-IQC50-C3?
Compatible alternatives and drop-in replacements for LM3S1N11-IQC50-C3:
Frequently Asked Questions
How many general-purpose I/O lines does the LM3S1N11-IQC50-C3 provide, and which communication interfaces can they support?
The LM3S1N11-IQC50-C3 provides 67 programmable GPIO lines that can be configured as UART, SPI, I2C, PWM, or analog inputs, allowing a single chip to interface with a wide mix of sensors, displays, motor drivers, and communication modules simultaneously.
Does the LM3S1N11-IQC50-C3 include a DMA controller, and how does that help in data acquisition applications?
Yes, the device integrates a DMA controller that transfers ADC samples or peripheral data to SRAM without CPU involvement, enabling continuous acquisition at full throughput while the ARM Cortex-M3 core handles data processing, control algorithms, and communication tasks in parallel.
What does the '-IQC50-C3' suffix indicate about the LM3S1N11, and what package and temperature grade does it specify?
The 'IQC50' suffix indicates a 100-pin LQFP package with a -40°C to +85°C industrial temperature rating operating at up to 50 MHz, while 'C3' denotes the specific silicon revision; this combination targets industrial control environments with moderate ambient temperature ranges.
For an industrial motor control board, why might an engineer choose the LM3S1N11-IQC50-C3 over a simpler 8-bit MCU?
A 32-bit ARM Cortex-M3 core running at 50 MHz executes floating-point-intensive PID algorithms, FOC motor control calculations, and CAN/Ethernet communication stacks orders of magnitude faster than an 8-bit MCU, while the 67 GPIO lines and integrated DMA eliminate external bus expanders and ADC chips in a full-featured motor drive design.
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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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