LM3S1968-IBZ50-A2
32-bit ARM Cortex microcontrollers with 256KB flash memory
Manufacturer： ti
series introduction
# Introduction to the LM3S1968 - IBZ50 - A2 Product Series
## 1. Overview
The LM3S1968 - IBZ50 - A2 is a highly advanced and versatile product series that belongs to the realm of microcontrollers. These microcontrollers are engineered to offer a comprehensive solution for a wide range of embedded system applications, combining high - performance computing capabilities with a rich set of integrated peripherals.
## 2. Key Features
### 2.1 Processor Core
- **ARM Cortex - M3 Architecture**: At the heart of the LM3S1968 - IBZ50 - A2 is an ARM Cortex - M3 processor core. This architecture is known for its high - performance, low - power consumption, and excellent code density. It provides a 32 - bit processing capability, enabling efficient execution of complex algorithms and multitasking operations.
- **50 MHz Clock Speed**: With a clock speed of 50 MHz, the microcontroller can handle tasks quickly and respond to real - time events promptly. This high clock frequency allows for smooth operation in applications that require fast data processing, such as motor control and sensor data acquisition.
### 2.2 Memory
- **Flash Memory**: The device comes equipped with a generous amount of on - chip flash memory. This non - volatile memory is used to store the program code, allowing for easy reprogramming and updates. The large flash memory capacity enables the implementation of complex applications without the need for external memory storage in many cases.
- **SRAM**: A sufficient amount of static random - access memory (SRAM) is also available. SRAM is used for storing data during program execution, providing fast access times and enabling efficient data manipulation. This is crucial for applications that involve buffering data, such as communication protocols and image processing.
### 2.3 Peripherals
#### 2.3.1 Communication Interfaces
- **UART (Universal Asynchronous Receiver - Transmitter)**: Multiple UART interfaces are integrated into the LM3S1968 - IBZ50 - A2. These interfaces are commonly used for serial communication with other devices, such as sensors, displays, and communication modules. They support a wide range of baud rates, making them compatible with various external devices.
- **SPI (Serial Peripheral Interface)**: The SPI interface provides a high - speed serial communication option. It is often used for communicating with external devices like flash memories, ADCs (Analog - to - Digital Converters), and DACs (Digital - to - Analog Converters). The SPI interface allows for fast data transfer, which is essential for applications that require real - time data exchange.
- **I²C (Inter - Integrated Circuit)**: The I²C interface is a widely used serial communication protocol for connecting multiple devices on a single bus. It is suitable for communicating with low - speed devices such as sensors, EEPROMs, and other integrated circuits. The I²C interface simplifies the hardware design by reducing the number of communication lines required.
#### 2.3.2 Timers
- **Multiple Timers**: The microcontroller features several timers, including general - purpose timers and watchdog timers. General - purpose timers can be used for tasks such as generating PWM (Pulse - Width Modulation) signals for motor control, measuring time intervals, and implementing delay functions. Watchdog timers are used to monitor the system's operation and reset the microcontroller in case of a software malfunction.
#### 2.3.3 ADC and DAC
- **Analog - to - Digital Converter (ADC)**: An on - chip ADC is available, which allows the microcontroller to convert analog signals from sensors into digital values. This is useful for applications such as temperature sensing, light sensing,
Images for reference
LM3S2739-IBZ50-A2
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