Overview
The LM3S3748-IQC50-A0T is a 32-bit microcontroller from Texas Instruments, part of the Stellaris microcontroller family. It is based on the ARM Cortex-M3 processor and is designed to provide high performance and low power consumption. This microcontroller is particularly notable for its extensive set of peripherals and its support for both USB Host and Device modes, making it versatile for a wide range of applications.
Key Specifications
| Specification | Value |
|---|---|
| Processor | ARM Cortex-M3 |
| Operating Frequency | Up to 50 MHz |
| Flash Memory | 128 KB |
| SRAM Memory | 64 KB |
| ADC Channels | 8 (10-bit, single-ended) |
| UARTs | 2 (fully programmable 16C550-type) |
| Timers | 4 (general-purpose 32-bit timers) |
| I2C Modules | 2 |
| PWM Generator Blocks | 4 |
| GPIOs | 3 to 61 (depending on user configuration) |
| Package Type | 100-pin LQFP |
| Power Supply | 3.3 V (with on-chip LDO regulator) |
Key Features
- ARM Cortex-M3 Processor: Provides 32-bit RISC performance with hardware division and single-cycle multiplication.
- USB Support: Full-speed USB controller supporting both Host and Device configurations.
- Analog-to-Digital Converter (ADC): 8 channels of 10-bit ADC with single-ended inputs.
- Serial Interfaces: Includes two fully programmable 16C550-type UARTs and two I2C modules.
- Timers and PWM: Four general-purpose 32-bit timers and four PWM generator blocks.
- GPIOs: Up to 61 GPIOs depending on user configuration.
- Integrated Peripherals: Includes an Integrated Nested Vectored Interrupt Controller (NVIC), DMA controller, and a QEI module with position integrator.
- Power Management: Supports various sleep modes and has an on-chip low drop-out (LDO) voltage regulator.
Applications
The LM3S3748-IQC50-A0T microcontroller is suitable for a variety of applications due to its rich set of peripherals and low power consumption. Some common applications include:
- Industrial Automation: For control and monitoring systems.
- Consumer Electronics: In devices such as audio players, GPS devices, and other handheld electronics.
- Medical Devices: For portable medical equipment and diagnostic tools.
- Automotive Systems: For infotainment systems, navigation, and other vehicle control systems.
- Internet of Things (IoT): For smart home devices, wearables, and other IoT applications.
Q & A
- What is the core processor of the LM3S3748-IQC50-A0T microcontroller?
The core processor is the ARM Cortex-M3. - What is the maximum operating frequency of the LM3S3748-IQC50-A0T?
The maximum operating frequency is up to 50 MHz. - How much flash and SRAM memory does the LM3S3748-IQC50-A0T have?
The microcontroller has 128 KB of flash memory and 64 KB of SRAM memory. - Does the LM3S3748-IQC50-A0T support USB?
Yes, it supports both USB Host and Device configurations. - How many ADC channels does the LM3S3748-IQC50-A0T have?
The microcontroller has 8 channels of 10-bit ADC. - What types of timers are available on the LM3S3748-IQC50-A0T?
It has four general-purpose 32-bit timers. - Can the LM3S3748-IQC50-A0T be used in low-power applications?
Yes, it supports various sleep modes and has low power consumption features. - What is the package type of the LM3S3748-IQC50-A0T?
The package type is 100-pin LQFP. - Does the LM3S3748-IQC50-A0T have an integrated voltage regulator?
Yes, it has an on-chip low drop-out (LDO) voltage regulator. - What are some common applications for the LM3S3748-IQC50-A0T?
Common applications include industrial automation, consumer electronics, medical devices, automotive systems, and IoT devices.
