LM3S5656-IQR80-C3 Texas Instruments Integrated Circuit (Other) In Stock
The LM3S5656-IQR80-C3 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments running up to 50MHz, housed in a 64-pin LQFP package. It features 33 I/O lines, integrated ADC, DMA channels, and multiple communication peripherals for embedded control applications. Available from authorized distributors with in-stock inventory and worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5656-IQR80-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
Key Features
- 32-bit ARM Cortex-M3 core running up to 50MHz with DMA support for high-performance embedded processing
- Integrated ADC and 33 GPIO lines in a compact 64-pin LQFP package enabling rich peripheral connectivity
- RoHS-compliant JESD-609 e3 rated package suitable for commercial and industrial embedded applications
Applications
The LM3S5656-IQR80-C3 is designed for embedded control applications requiring a capable 32-bit microcontroller with integrated analog and digital peripherals. It is well-suited for industrial automation, motor control, building automation, and consumer electronics applications where 50MHz processing speed and multiple I/O options are needed. The 64-pin LQFP package provides a good balance between peripheral count and PCB footprint for space-constrained designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 33 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| ROM Programmability | FLASH |
| Speed | 80MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.08V |
| Supply Voltage-Nom | 1.2V |
| 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 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S5656-IQR80-C3:
Frequently Asked Questions
What is the maximum clock frequency of the LM3S5656-IQR80-C3?
The LM3S5656-IQR80-C3 supports a maximum clock frequency of 50MHz on its 32-bit ARM Cortex-M3 core. This clock speed provides sufficient processing power for real-time control tasks, communication protocol handling, and sensor data processing in embedded applications.
What analog features does the LM3S5656-IQR80-C3 include?
The LM3S5656-IQR80-C3 includes an integrated ADC (Analog-to-Digital Converter) for direct analog signal measurement, while DAC channels are not included. This makes it suitable for sensor-based embedded systems where analog input acquisition is needed without external ADC components.
What package is the LM3S5656-IQR80-C3 available in?
The LM3S5656-IQR80-C3 is housed in a 64-pin LQFP (Low-profile Quad Flat Package), per JESD-30 code S-PQFP-G64. This surface-mount package is RoHS compliant with JESD-609 e3 rating and provides access to 33 I/O lines for peripheral connectivity.
Does the LM3S5656-IQR80-C3 support DMA?
Yes, the LM3S5656-IQR80-C3 includes DMA (Direct Memory Access) channels, enabling high-speed data transfers between peripherals and memory without CPU intervention. This significantly improves system throughput for data-intensive applications such as communication buffers and ADC data logging.
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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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