LM3S2678-IQR50-A0 Texas Instruments Integrated Circuit (Other) In Stock
LM3S2678-IQR50-A0 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments. It features a 32 MHz max clock frequency, 64-pin LQFP package, and boundary scan support. Ideal for industrial control, embedded applications, and IoT edge devices requiring reliable fixed-point processing.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S2678-IQR50-A0 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
Key Features
- 32-bit ARM Cortex-M3 CPU core running up to 32 MHz for efficient embedded processing
- 64-pin LQFP package with boundary scan (JTAG) support for ease of testing and debugging
- Integrated ADC for analog signal acquisition in sensing and control applications
- Lead-free (Pb-free) construction meeting RoHS environmental compliance standards
- 43 parametric specs documented, enabling precise design-in and component selection
Applications
The LM3S2678-IQR50-A0 is well-suited for industrial automation and control systems that demand reliable 32-bit processing with analog input capabilities. Its ARM Cortex-M3 architecture and boundary scan support make it a strong choice for embedded motor control, smart sensors, and IoT edge nodes. The LQFP-64 form factor simplifies PCB integration across a wide range of space-constrained designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 1 |
| Number of I/O Lines | 33 |
| Number of Serial I/Os | 3 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP64,.47SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Voltage-Max | 2.75V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | MATTE TIN |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S2678-IQR50-A0:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP64
Frequently Asked Questions
What CPU architecture does the LM3S2678-IQR50-A0 use?
The LM3S2678-IQR50-A0 is based on the 32-bit ARM Cortex-M3 CPU family, operating at a maximum clock frequency of 32 MHz. This architecture provides efficient fixed-point processing and is widely supported by embedded development toolchains.
What package type is the LM3S2678-IQR50-A0 available in?
This device comes in a 64-pin LQFP (Low-Profile Quad Flat Package), which is a surface-mount package suitable for high-density PCB designs. It also supports boundary scan (JTAG), making board-level testing straightforward.
Does the LM3S2678-IQR50-A0 include an ADC?
Yes, the LM3S2678-IQR50-A0 includes an integrated ADC (Analog-to-Digital Converter), making it suitable for applications that require analog signal measurement such as industrial sensors, temperature monitoring, and process control systems.
What are typical applications for the LM3S2678-IQR50-A0?
This microcontroller is commonly used in industrial control, embedded automation, IoT edge devices, and smart sensor platforms. Its Cortex-M3 core, ADC integration, and LQFP-64 packaging make it versatile for both commercial and industrial-grade designs.
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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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