LM3S818-EQN50-C2

Program Memory Type:	FLASH
Base Part Number:	LM3S818
Supplier Device Package:	48-LQFP (7x7)
Package / Case:	48-LQFP
Operating Temperature:	-40°C ~ 105°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 6x10b
Voltage - Supply (Vcc/Vdd):	3 V ~ 3.6 V
RAM Size:	8K x 8
EEPROM Size:	--
Series:	Stellaris® ARM® Cortex®-M3S 800
Program Memory Size:	64KB (64K x 8)
Number of I/O:	30
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:	Microwire, QEI, SPI, SSI, UART/USART
Speed:	50MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M3
Part Status:	Not For New Designs
Packaging:	Tray

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Introduction

The LM3S818-EQN50-C2 microcontroller is an embedded microcontroller that is part of the ARM Cortex Microcontroller Family. The ARM Cortex family of microcontrollers are designed for embedded single board systems, such as wireless sensor networks, industrial and medical applications, energy-efficient network devices, automotive and consumer electronics. The LM3S818-EQN50-C2 was designed as a mid-range 32-bit microcontroller that offers low power consumption, a rich set of peripherals, and a wide range of performance options. This article will discuss the application field and working principle of the LM3S818-EQN50-C2 microcontroller.

Application Field

The LM3S818-EQN50-C2 microcontroller is well suited for a number of applications due to its wide range of performance options and low power consumption. It can be used in industrial and medical applications that require accurate and precision control, as well as in wireless sensor networks, automotive, and consumer electronics. It is compatible with many popular interfaces, such as I2C, SPI, UART, CAN, and USB. The LM3S818-EQN50-C2 also supports the AMBA AHB bus architecture, which is used to connect multiple microcontrollers to form a single processor system.The LM3S818-EQN50-C2 microcontroller also provides powerful computation capabilities. It features a 32-bit ARM Cortex-M3 Core with clock speeds up to 50MHz, 256KB of flash memory and 64KB of RAM, as well as an integrated FPU and DMA controller. This makes it well suited for computationally intense tasks such as image processing and machine learning applications.

Working Principle

The LM3S818-EQN50-C2 microcontroller runs on a 32-bit ARM Cortex-M3 core. The ARM Cortex-M3 core is a RISC-based architecture that allows it to execute instructions faster than traditional CISC-based microcontrollers. It has a range of instructions specifically designed for embedded systems, such as bit manipulation instructions, as well as instructions for controlling external peripherals such as UARTs and GPIO pins. The ARM Cortex-M3 core also supports memory protection, which allows multiple applications to be securely loaded and executed on the microcontroller.The ARM Cortex-M3 core also includes a built-in FPU (floating point unit) and a performance monitor. The FPU allows for fast floating-point calculations, which are essential for applications such as digital signal processing and communications systems. The performance monitor is also useful for real-time performance analysis, as it allows for real-time monitoring of the microcontroller\'s performance. It can be used to detect performance bottlenecks, as well as uncover unintentional power and timing problems.The LM3S818-EQN50-C2 microcontroller also features an integrated on-chip DMA (direct memory access) controller. The DMA controller allows for seamless data transfer between the microcontroller and external peripherals, such as GPIO pins and UARTs, without needing to allocate any processor time. This improves performance, reduces power consumption, and prevents unnecessary processor overhead. The LM3S818-EQN50-C2 microcontroller also supports low power modes, which allows it to conserve power in applications that require low power consumption, such as wireless sensor networks and energy-efficient networks. It also supports a wide range of external memories, such as SRAM, ROM, Flash, and NOR. This makes it ideal for both embedded and industrial applications.

Conclusion

The LM3S818-EQN50-C2 microcontroller is an embedded microcontroller that is part of the ARM Cortex Microcontroller Family. It is ideal for a wide range of applications, such as industrial and medical applications, wireless sensor networks, energy-efficient networks, automotive and consumer electronics. The LM3S818-EQN50-C2 is powered by a 32-bit ARM Cortex-M3 core and offers a wide range of performance options and low power consumption. It also features an integrated FPU and DMA controller, as well as support for low power modes and a range of external memories. By using the LM3S818-EQN50-C2 microcontroller, designers and developers can save time, money, and energy when building their embedded systems.

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