LM3S6911-IQC50-A2T

Program Memory Type:	FLASH
Base Part Number:	LM3S6911
Supplier Device Package:	100-LQFP (14x14)
Package / Case:	100-LQFP
Operating Temperature:	-40°C ~ 85°C (TA)
Oscillator Type:	Internal
Data Converters:	--
Voltage - Supply (Vcc/Vdd):	2.25 V ~ 2.75 V
RAM Size:	64K x 8
EEPROM Size:	--
Series:	Stellaris® ARM® Cortex®-M3S 6000
Program Memory Size:	256KB (256K x 8)
Number of I/O:	46
Peripherals:	Brown-out Detect/Reset, POR, PWM, WDT
Connectivity:	Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART
Speed:	50MHz
Core Size:	32-Bit
Core Processor:	ARM® Cortex®-M3
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field and Working Principle of LM3S6911-IQC50-A2T

Introduction

The LM3S6911-IQC50-A2T is an embedded microcontroller with a total of 128 Kbytes of flash memory, 32 Kbytes of SRAM, and a wide set of peripheral functions. It is specifically designed for low-power, low-cost applications. It is powered by the ARM Cortex-M3 processor for improved performance as well as enhanced power management capabilities. The embedded microcontroller can be used in a wide range of applications including automotive, medical, industrial and consumer applications.

The Main Features

The LM3S6911-IQC50-A2T is a versatile device that offers some unique features. It comes with an integrated 10-bit 2Msps ADC, as well as an integrated I2C/SPI host, and a UART. It has two timers, one for real-time calculation and the other for system services. The embedded microcontroller also has two independent PWM timers and two independent digital (8/12 bit) counters. Additionally, it features a watchdog timer, a user setup register, eight channels of pulse-width modulation (PWM), two real-time clock (RTC) channels and up to seven digital I/O ports.The LM3S6911-IQC50-A2T is also equipped with two dedicated interrupts for SAMG mode and two for SPI Flash Storage for advanced firmware routing/status checking. The device also has a dedicated RAM controller capable of buffering and parallel access of SRAM memory, allowing the microcontroller to perform memory intensive tasks quickly. The embedded microcontroller also has a simple CAN interface, which can be used to connect with various CAN-enabled devices such as smart door and window sensors, temperature sensors, and other sensor nodes.

Power Consumption

The LM3S6911-IQC50-A2T is designed to provide very low power consumption, enabling it to be used in battery powered applications. The device offers very low active power of less than 38 mA/MHz at 3.3 V and standby power of 60 μA typical at 3.3 V. Additionally, the device can be operated with either a 3.3 V or a 5 V power supply, making it very flexible for use in a variety of applications.

Memory Architecture

The LM3S6911-IQC50-A2T is equipped with a total of 128 Kbytes of flash memory and 32 Kbytes of SRAM. The device also features a unified memory architecture, which enables the memory to be organized as a single contiguous block. This allows the device to execute software code faster, while reducing the need for large external memory. The embedded microcontroller also has an erase/write cycle immunity, allowing the device to increase its data endurance capability and perform memory re-writes without having to erase the entire block.

Real-time Clock

The LM3S6911-IQC50-A2T also has an real-time clock (RTC) with a higher accuracy of up to +-5ppm. The device also features built-in alarm functions and can be used to keep track of system time, even when the device is in sleep mode.

Communication Interfaces

The LM3S6911-IQC50-A2T has several communication interfaces, including UART, SPI, I2C and CAN. The device also supports a variety of communication protocols, which simplifies communication between two microcontrollers and other connected devices in a network. The embedded microcontroller also has up to sixteen interrupt pins, which can be used to manage digital input and output signals from other devices and control input and output tasks.

Application Examples

The LM3S6911-IQC50-A2T is an ideal device for a wide range of applications. It is suitable for controlling home and consumer appliances, communication systems, industrial equipment and vehicles, as well as medical and security systems. The device can also be used in industrial automation applications, including factory automation, process control, robotics and machine automation.

Conclusion

The LM3S6911-IQC50-A2T is a versatile embedded microcontroller with a wide set of features and capabilities. It offers a total of 128 Kbytes of flash memory, 32 Kbytes of SRAM an integrated 10-bit 2Msps ADC, as well as an integrated I2C/SPI host, and a UART. It features two timers, one for real-time calculation and the other for system services, two independent PWM timers, two real-time clock (RTC) channels, up to sixteen interrupt pins, a CAN interface and very low power consumption. The device can be used for a wide range of applications, including automotive, medical, industrial and consumer applications.

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