LM3S5956-IQR80-C3T

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Embedded microcontrollers form the backbone of modern day computers in the shape of cell phones, computers and home appliances. The LM3S5956-IQR80-C3T, released as part of the Stellaris family of microcontrollers and digital signal controllers, provides a great alternative of integrating functionality, performance and low power consumption together. This article looks at the application fields and the underlying working principles of the LM3S5956-IQR80-C3T.

Application Fields

The LM3S5956-IQR80-C3T microcontroller is primarily used in embedded systems due to its small package and high integration. Its wide range of peripherals, on-chip debug and flash memory make it suitable for a number of applications. The controller can be found in a variety of consumer electronics, including home appliances and smart phones. Other applications include automatic test equipment, gaming machines and toys.

Due to its low power consumption, the microcontroller is suitable for embedded applications where energy saving is essential. The LM3S5956-IQR80-C3T can also be adapted for use in various human-machine interfaces, such as touch screens, instrument panels, buttons and potentiometers.

Working Principle

The LM3S5956-IQR80-C3T microcontroller is a 32-bit Arm Cortex-M3 processor, offering enhanced real-time processing performance and low-power consumption. The microcontroller is based on a Microcontroller Unit (MCU) concept that separates core processor and peripherals, allowing programs to be downloaded into flash memory.

The microcontroller integrates a variety of powerful peripherals, including a universal serial bus (USB) controller, a high-speed media access controller (EMAC) and a unified parallel peripheral interface (UPPI). Together, these peripherals provide high-speed serial and parallel data interfaces, while reducing overall system costs.

The wide range of peripherals makes the microcontroller suitable for a variety of application fields. The device also offers an integrated on-chip debug feature to simplify development and debugging.

The LM3S5956-IQR80-C3T also features a 16-bit Timer/Counter (TTC) module, providing a highly accurate data acquisition components using 16-bits of timestamp resolution and 16-words of user-defined channel modes. The timer module can be used to generate multiple pulse width modulated (PWM) signals and support a range of additional timer operations.

In terms of power consumption, the microcontroller can be clocked at a wide range of frequencies, allowing users to select the optimal frequency to optimize the power consumption level. The device also integrates a low-leakage shutdown core logic (LSSC). When the device enters sleep mode, the LSSC can reduce the current consumption by up to 10%.

The LM3S5956-IQR80-C3T offers a variety of additional features, including a wide range of clock sources, general-purpose input/output (GPIO) pins and Cortex-M3 bus interfaces. The microcontroller also features an integrated temperature sensor for accurate temperature measurement.

Conclusion

The LM3S5956-IQR80-C3T microcontroller is an excellent alternative for embedded systems due to its low-power consumption, wide range of peripherals and integrated on-chip debug feature. The device can be used in a variety of consumer electronics, home appliances, gaming machines, toys and automatic test equipment. The microcontroller also integrates a powerful 16-bit Timer/Counter module, temperature sensor, GPIOs and Cortex-M3 bus interfaces, allowing a variety of applications.

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