LPC1756FBD80
32-bit ARM Cortex M3 microcontrollers with USB, 256KB flash, 80-pin LQFP
Manufacturer： nxp
series introduction
# Introduction to the LPC1756FBD80 Product Series
## 1. Overview
The LPC1756FBD80 is a remarkable member of a microcontroller product series developed by NXP Semiconductors. It is part of the LPC1700 family, which is well - known for its high - performance, low - power, and feature - rich microcontrollers. These microcontrollers are designed to meet the diverse needs of various embedded applications, ranging from industrial control systems to consumer electronics.
## 2. Key Features
### 2.1 Processor Core
- **ARM Cortex - M3 Core**: The LPC1756FBD80 is powered by the ARM Cortex - M3 processor core. This core offers a high - performance 32 - bit architecture with a Harvard architecture and a Thumb - 2 instruction set. It provides excellent code density and processing speed, enabling efficient execution of complex algorithms. The Cortex - M3 core also includes a nested vectored interrupt controller (NVIC), which allows for fast and efficient interrupt handling, crucial for real - time applications.
- **High Clock Speed**: It can operate at a maximum clock frequency of up to 100 MHz. This high clock speed enables the microcontroller to handle tasks such as data processing, communication, and control operations quickly and efficiently.
### 2.2 Memory
- **Flash Memory**: The LPC1756FBD80 is equipped with 512 KB of on - chip flash memory. Flash memory is non - volatile, which means that the program code stored in it is retained even when the power is turned off. This large amount of flash memory allows developers to store complex application code, including operating systems, drivers, and user - defined functions.
- **SRAM**: It has 64 KB of on - chip static random - access memory (SRAM). SRAM provides fast access to data, which is essential for storing variables, buffers, and intermediate results during program execution. The sufficient SRAM capacity ensures smooth operation of applications that require data storage and manipulation.
### 2.3 Peripherals
#### 2.3.1 Communication Peripherals
- **UART (Universal Asynchronous Receiver - Transmitter)**: Multiple UART interfaces are available, which are commonly used for serial communication with other devices such as sensors, displays, and modems. UARTs support asynchronous data transfer, making them suitable for a wide range of communication protocols.
- **SPI (Serial Peripheral Interface)**: The LPC1756FBD80 includes SPI interfaces, which are used for high - speed serial communication between the microcontroller and other SPI - compatible devices. SPI offers a simple and efficient way to transfer data in a master - slave configuration, with data transfer rates that can be adjusted according to the application requirements.
- **I²C (Inter - Integrated Circuit)**: I²C is a widely used serial communication protocol for connecting low - speed devices such as EEPROMs, sensors, and other integrated circuits. The microcontroller's I²C interfaces support both master and slave modes, allowing for flexible communication with a variety of I²C - enabled devices.
- **USB (Universal Serial Bus)**: It has a USB 2.0 full - speed interface, which enables the microcontroller to communicate with a computer or other USB - compatible devices. This feature is useful for applications such as data transfer, device programming, and human - machine interface (HMI) applications.
#### 2.3.2 Timers and Counters
- **General - Purpose Timers**: The LPC1756FBD80 is equipped with multiple general - purpose timers. These timers can be used for a variety of tasks, such as generating accurate
Images for reference
80-LQFP
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