LM3S5P56-IQR80-C1 Texas Instruments Integrated Circuit (Other) In Stock
The LM3S5P56-IQR80-C1 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments featuring an integrated ADC, DMA controller, PWM channels, and 33 I/O lines. It operates at up to 80 MHz with on-chip memory and peripheral integration suited for embedded control applications. Available in a 64-pin LQFP package for compact surface-mount system designs.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5P56-IQR80-C1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°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 delivering high computational performance for real-time embedded control applications
- Integrated ADC, DMA controller, and PWM channels reduce external component count in motor control and signal acquisition designs
- 33 configurable I/O lines with 64-pin LQFP package enabling flexible peripheral connectivity in space-constrained boards
- On-chip DMA channels enable efficient background data transfers without CPU intervention, maximizing real-time throughput
Applications
The LM3S5P56-IQR80-C1 is well-suited for industrial control systems, motor drive controllers, and embedded automation applications that require 32-bit ARM processing with integrated analog and digital peripherals. Its PWM channels and ADC inputs make it ideal for closed-loop motor control, power conversion monitoring, and sensor data acquisition in HVAC, robotics, and industrial automation equipment. The device is also used in communication gateway designs and human-machine interface controllers within the Stellaris/Tiva microcontroller ecosystem.
Specifications
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G64 |
| Number of I/O Lines | 33 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| 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 Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S5P56-IQR80-C1:
Frequently Asked Questions
What processor core does the LM3S5P56-IQR80-C1 use and what is its maximum clock speed?
The LM3S5P56-IQR80-C1 is based on the ARM Cortex-M3 32-bit processor core. It supports a maximum clock frequency of 80 MHz, providing substantial computational throughput for real-time control tasks, digital signal processing, and communication protocol handling in embedded systems, while maintaining low power consumption compared to higher-end processor architectures.
Does the LM3S5P56-IQR80-C1 include analog peripherals like ADC or DAC?
Yes, the LM3S5P56-IQR80-C1 includes an integrated ADC (Analog-to-Digital Converter), enabling direct digitization of analog sensor signals without external ADC ICs. It does not include a DAC (Digital-to-Analog Converter). The on-chip ADC supports multiple input channels, making it suitable for multi-channel sensor acquisition in industrial measurement, motor current sensing, and battery monitoring applications.
What package does the LM3S5P56-IQR80-C1 come in?
The LM3S5P56-IQR80-C1 is housed in a 64-pin Low-profile Quad Flat Package (LQFP), identified by JESD-30 code S-PQFP-G64. This is a compact, fine-pitch surface-mount package that provides access to 33 I/O lines along with power, ground, and special function pins. The LQFP format is widely used in embedded systems for its balance of pin density, thermal performance, and ease of PCB routing.
Does the LM3S5P56-IQR80-C1 support DMA and PWM?
Yes, the LM3S5P56-IQR80-C1 includes both DMA (Direct Memory Access) channels and PWM (Pulse Width Modulation) channels. The DMA controller enables efficient background data movement between peripherals and memory without CPU involvement, reducing latency in data-intensive applications. The PWM channels generate precise timing waveforms for motor control, power supply regulation, and LED dimming without requiring continuous CPU attention.
What is the LM3S5P56-IQR80-C1 typically used for in embedded systems?
The LM3S5P56-IQR80-C1 is primarily used in industrial motor control, embedded automation, and sensor fusion applications where a 32-bit ARM core with integrated ADC, DMA, and PWM peripherals is needed. It belongs to the Texas Instruments Stellaris/Tiva microcontroller family and is applied in HVAC controllers, robotics, industrial I/O modules, and communication gateway systems that benefit from its combination of analog and digital integration in a compact 64-pin package.
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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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