Overview
The LM3S1958-IQC50-A2T is a high-performance microcontroller from Texas Instruments, part of the Stellaris® ARM® Cortex®-M3S 1000 series. This 32-bit single-core microcontroller features an ARM® Cortex®-M3 core operating at 50MHz. It is equipped with 256KB of FLASH program memory and 64KB of SRAM, making it suitable for a wide range of embedded control applications. The device is packaged in a 100-LQFP (14x14) case and is RoHS compliant.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 50MHz |
| Connectivity | I²C, IrDA, Microwire, SPI, SSI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 52 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.25 V ~ 2.75 V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 100-LQFP (14x14) |
Key Features
- High-Performance Core: The LM3S1958-IQC50-A2T features an ARM® Cortex®-M3 core, providing efficient and powerful processing capabilities.
- Memory and Storage: Equipped with 256KB of FLASH program memory and 64KB of SRAM, this microcontroller supports complex applications.
- Extensive Connectivity: Supports multiple communication protocols including I²C, IrDA, Microwire, SPI, SSI, and UART/USART.
- Peripheral Support: Includes brown-out detect/reset, POR, PWM, and WDT, enhancing its functionality in various applications.
- RoHS Compliance: Lead-free and RoHS compliant, making it suitable for use in environmentally conscious designs.
Applications
The LM3S1958-IQC50-A2T is versatile and can be used in a variety of applications, including:
- Motion Control: Suitable for complex motion control algorithms due to its high-performance core and extensive memory.
- Medical Instrumentation: Used in medical devices requiring precise control and reliable operation.
- HVAC and Building Control: Ideal for building automation and HVAC systems due to its robust peripheral set and communication capabilities.
- Factory Automation: Employed in industrial automation for its ability to handle sophisticated control tasks.
- Transportation and Gaming Equipment: Used in various transportation systems and gaming equipment where high performance and reliability are crucial.
Q & A
- What is the core processor of the LM3S1958-IQC50-A2T?
The core processor is the ARM® Cortex®-M3. - What is the operating speed of the LM3S1958-IQC50-A2T?
The operating speed is 50MHz. - How much program memory does the LM3S1958-IQC50-A2T have?
The LM3S1958-IQC50-A2T has 256KB of FLASH program memory. - What are the communication protocols supported by the LM3S1958-IQC50-A2T?
The device supports I²C, IrDA, Microwire, SPI, SSI, and UART/USART. - What is the operating temperature range of the LM3S1958-IQC50-A2T?
The operating temperature range is -40°C to 85°C. - Is the LM3S1958-IQC50-A2T RoHS compliant?
Yes, the device is lead-free and RoHS compliant. - How many I/O pins does the LM3S1958-IQC50-A2T have?
The device has 52 I/O pins. - What type of oscillator does the LM3S1958-IQC50-A2T use?
The device uses an internal oscillator. - What is the package type of the LM3S1958-IQC50-A2T?
The package type is 100-LQFP (14x14). - What are some common applications of the LM3S1958-IQC50-A2T?
Common applications include motion control, medical instrumentation, HVAC and building control, factory automation, transportation, and gaming equipment.
