LM3S3651-IQR50-A0T

Program Memory Type:	FLASH
Base Part Number:	LM3S3651
Supplier Device Package:	64-LQFP (10x10)
Package / Case:	64-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	A/D 4x10b
Voltage - Supply (Vcc/Vdd):	2.25 V ~ 2.75 V
RAM Size:	32K x 8
EEPROM Size:	--
Series:	Stellaris® ARM® Cortex®-M3S 3000
Program Memory Size:	128KB (128K x 8)
Number of I/O:	33
Peripherals:	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity:	I²C, IrDA, Microwire, SPI, SSI, UART/USART, USB OTG
Speed:	50MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M3
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction LM3S3651-IQR50-A0T is an embedded microcontroller developed by Texas Instruments. It is specifically designed for applications that require low-power, high-performance 32-bit ARM Cortex-M3 processor technology with the added advantages of integrated power management, advanced cryptography and digital signal processing (DSP) capability. The LM3S3651-IQR50-A0T is targeted at a wide range of embedded applications in the consumer, industrial, automotive and medical markets. This application features low-power operation at an affordable price, an extensive range of peripherals, on-chip debug support, CAN and Ethernet and 10/100 ports. Core Features The LM3S3651-IQR50-A0T embedded microcontroller comes in 80-pin 7x7mm package and has up to 49.8 MHz ARM Cortex-M3 processor core. The Cortex-M3 processor core supports advanced debug systems such as ETM (Embedded Trace Macrocell) and ITM (Instrumentation Trace Macrocell). The on-chip peripherals include four general-purpose 32-bit I/Os, two serial interfaces, two SPI interfaces, an I2C interface, an IEEE 1588 port, an SD card interface, two CAN interfaces and a CAN-FD interface. The microcontroller also provides a 10/100 Mbps Ethernet RJ45 interface.The LM3S3651-IQR50-A0T embedded microcontroller supports a wide range of power management functions including a real-time clock, adaptive voltage scaling, low-power run, idle, standby and deep sleep modes, and low-power RAM retention. Other features include advanced cryptography acceleration, industrial communication interfaces, power-optimized signal processing, as well as error-checking and correction features. The device also features an analog-to-digital converter (ADC) and a digital-to-analog converter (DAC) for analog signal conversion. Applications The LM3S3651-IQR50-A0T embedded microcontroller is suitable for a wide range of embedded applications, from consumer to automotive, industrial and medical. The device is well suited for applications requiring low power, high-performance 32-bit ARM Cortex-M3 processor technology with integrated power management, advanced cryptography and DSP capabilities. Typical applications include motor control, power management, robotics, consumer electronics, medical devices and industrial automation. Working Principle The LM3S3651-IQR50-A0T embedded microcontroller is based on the ARM Cortex-M3 processor core. It is a 32-bit processor capable of performing 32-bit arithmetic operations and executing 32-bit instruction sets. A built-in memory controller (MMC) provides access to code and data stored in external memory and an internal Flash memory. The Cortex-M3 processor also provides an integrated debug system comprising an ETM (Embedded Trace Macrocell) and ITM (Instrumentation Trace Macrocell). The on-chip peripherals include four general-purpose 32-bit I/Os, two serial interfaces, two SPI interfaces, an I2C interface, an IEEE 1588 port, an SD card interface, two CAN interfaces, and a CAN-FD interface. The LM3S3651-IQR50-A0T embedded microcontroller includes advanced power management features including adaptive voltage scaling, low-power run, idle, standby and deep sleep modes, and low-power RAM retention. It also provides advanced cryptography acceleration and industrial communication interfaces. The integrated 10/100 Ethernet port and an IEEE 1588 port allows for high-speed communication. The integrated ADC and DAC provides a rapid and accurate analog signal conversion.

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