Overview
The LM3S1138-IQC50-A2T is a high-performance microcontroller unit (MCU) produced by Texas Instruments. This model belongs to the Stellaris® LM3S1000 series, designed for embedded applications requiring robust performance and versatility. It is particularly suited for industrial automation, consumer electronics, and IoT devices. The LM3S1138-IQC50-A2T stands out for its ARM® Cortex™-M3 core, which delivers efficient processing power, along with integrated peripherals that simplify system design and reduce development time. Its compact form factor and low power consumption make it an ideal choice for cost-sensitive and space-constrained applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Core Processor | ARM Cortex-M3 | - | 32-bit RISC architecture |
| Operating Frequency | 50 | MHz | Maximum clock speed |
| Flash Memory | 32 | KB | Program memory |
| SRAM | 8 | KB | Data memory |
| Package | LQFP | - | 48-pin |
| Operating Voltage | 3.3 | V | Typical supply voltage |
| GPIO Ports | 35 | - | Configurable I/O pins |
| Communication Interfaces | UART, SPI, I2C | - | Integrated peripherals |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Power Consumption | Low | - | Optimized for energy efficiency |
Key Features
- ARM Cortex-M3 Core: Provides high performance and energy efficiency for embedded applications.
- Integrated Peripherals: Includes UART, SPI, and I2C interfaces for seamless connectivity.
- Compact Design: 48-pin LQFP package ideal for space-constrained designs.
- Low Power Consumption: Optimized for battery-powered and energy-efficient applications.
- Industrial Temperature Range: Operates reliably in harsh environments from -40°C to 85°C.
Applications
The LM3S1138-IQC50-A2T is widely used in various industries due to its versatility and robust performance. Key application areas include:
- Industrial Automation: Used in control systems, motor control, and sensor interfacing.
- Consumer Electronics: Ideal for smart home devices, wearables, and portable gadgets.
- IoT Devices: Enables connectivity and data processing in IoT edge devices.
- Medical Devices: Suitable for low-power, reliable medical monitoring equipment.
- Automotive Electronics: Applied in vehicle control systems and infotainment.
Q & A
1. What is the core architecture of the LM3S1138-IQC50-A2T?
The LM3S1138-IQC50-A2T features an ARM Cortex-M3 32-bit RISC core.
2. What is the maximum operating frequency of this MCU?
It operates at a maximum frequency of 50 MHz.
3. How much flash memory does this microcontroller have?
It includes 32 KB of flash memory for program storage.
4. What is the SRAM capacity of the LM3S1138-IQC50-A2T?
It has 8 KB of SRAM for data storage.
5. What is the operating voltage range?
The typical operating voltage is 3.3 V.
6. What communication interfaces are supported?
It supports UART, SPI, and I2C interfaces.
7. What is the operating temperature range?
It operates reliably from -40°C to 85°C.
8. What package does this MCU come in?
It is available in a 48-pin LQFP package.
9. Is this MCU suitable for low-power applications?
Yes, it is optimized for low power consumption, making it ideal for battery-powered devices.
10. What are the typical applications of this microcontroller?
It is used in industrial automation, consumer electronics, IoT devices, medical devices, and automotive electronics.
