LM3S1110-EQC25-A2

Product Overview

Category: Microcontroller

Use: The LM3S1110-EQC25-A2 is a microcontroller designed for embedded systems applications. It provides a wide range of features and capabilities to support various electronic devices and systems.

Characteristics: - High-performance ARM Cortex-M3 core - 32-bit RISC architecture - Clock speed up to 50 MHz - Flash memory for program storage - SRAM for data storage - Multiple communication interfaces (UART, SPI, I2C) - Analog-to-digital converter (ADC) - PWM outputs for controlling motors or other devices - Timers and interrupts for precise timing and event handling

Package: The LM3S1110-EQC25-A2 comes in a compact and durable package suitable for surface mount technology (SMT) assembly. The package type is EQC25, which refers to a quad flat no-lead (QFN) package with 25 pins.

Essence: The essence of the LM3S1110-EQC25-A2 lies in its ability to provide a powerful processing platform for embedded systems. It combines a high-performance processor core with various peripherals and interfaces, making it suitable for a wide range of applications.

Packaging/Quantity: The LM3S1110-EQC25-A2 is typically sold in reels or trays containing multiple units. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Processor Core: ARM Cortex-M3
• Clock Speed: Up to 50 MHz
• Flash Memory: 32 KB
• SRAM: 8 KB
• Communication Interfaces: UART, SPI, I2C
• Analog-to-Digital Converter (ADC): 10-bit resolution, up to 8 channels
• PWM Outputs: Up to 4 channels
• Timers: 2 general-purpose timers, 1 watchdog timer
• Interrupts: External and internal interrupts supported

Detailed Pin Configuration

The LM3S1110-EQC25-A2 has a total of 25 pins. The pin configuration is as follows:

1. VDD - Power supply voltage
2. GND - Ground
3. GPIO0 - General-purpose I/O pin
4. GPIO1 - General-purpose I/O pin
5. GPIO2 - General-purpose I/O pin
6. GPIO3 - General-purpose I/O pin
7. UART_TX - UART transmit pin
8. UART_RX - UART receive pin
9. SPI_CLK - SPI clock pin
10. SPI_MISO - SPI master input, slave output pin
11. SPI_MOSI - SPI master output, slave input pin
12. SPI_CS - SPI chip select pin
13. I2C_SCL - I2C serial clock pin
14. I2C_SDA - I2C serial data pin
15. ADC0 - Analog-to-digital converter input pin
16. ADC1 - Analog-to-digital converter input pin
17. ADC2 - Analog-to-digital converter input pin
18. ADC3 - Analog-to-digital converter input pin
19. PWM0 - Pulse width modulation output pin
20. PWM1 - Pulse width modulation output pin
21. PWM2 - Pulse width modulation output pin
22. PWM3 - Pulse width modulation output pin
23. TIMER0 - General-purpose timer pin
24. TIMER1 - General-purpose timer pin
25. RESET - Reset pin

Functional Features

The LM3S1110-EQC25-A2 offers the following functional features:

• High-performance processing capabilities with the ARM Cortex-M3 core.
• Flexible communication interfaces (UART, SPI, I2C) for data exchange with other devices.
• Analog-to-digital converter (ADC) for converting analog signals to digital values.
• Pulse width modulation (PWM) outputs for precise control of motors or other devices.
• Timers and interrupts for accurate timing and event handling.

Advantages and Disadvantages

Advantages: - Powerful processing capabilities with the ARM Cortex-M3 core. - Versatile communication interfaces for easy integration with other devices. - Compact package size suitable for space-constrained applications. - Adequate memory resources for program storage and data handling. - Support for analog input and PWM output enables a wide range of applications.

Disadvantages: - Limited number of general-purpose I/O pins may restrict the connectivity options. - Relatively small flash memory and SRAM sizes compared to higher-end microcontrollers. - Lack of built-in Ethernet or USB interfaces may require additional components for certain applications.

Working Principles

The LM3S1110-EQC25-A2 operates based on the principles of a microcontroller. It executes instructions stored in its flash memory to perform various tasks.