LM3S9D81-IBZ80-A2T

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LM3S9D81-IBZ80-A2T is an integrated microcontroller from Texas Instruments, released in 2013. It is suited for a range of industrial applications, and is the latest member of TI\'s Stellaris family. This microcontroller is based on the ARM Cortex-M3 core, and is optimized for low-power operation.

LM3S9D81-IBZ80-A2T includes a large number of integrated peripherals, such as timers, DMA controllers, digital signal processing units, communication interfaces, and I/O ports. These peripherals allow the LM3S9D81-IBZ80-A2T to perform a variety of tasks, such as real-time control and signal processing, without the need for external components.

The main application fields of the LM3S9D81-IBZ80-A2T are in industrial automation and medical applications, as they require high performance and low-power operation. The microcontroller is also suited for energy-aware applications, such as smart metering and renewable energy monitoring systems, which require low power but still require thorough control of a system. Additionally, the integrated peripherals make it suitable for a variety of communication protocols, and thus can be used in networking applications.

The LM3S9D81-IBZ80-A2T provides a total of 128KB Flash Memory, and 16KB SRAM. The microcontroller also includes several communication interfaces, such as a CAN bus, Serial Communication, and Ethernet. The ARM Cortex-M3 core is clocked at 80MHz, and offers up to 5.5 MIPS performance.

The working principle of the LM3S9D81-IBZ80-A2T is similar to that of other microcontrollers. All programs stored in the Flash Memory are executed sequentially by the CPU, with interrupts allowing for faster responses to external triggers. The CPU can also be programmed with dedicated instructions which can be used to streamline long and complex operations. The Integrated peripherals can be programmed to perform tasks independently from the CPU; the DMA controller is capable of transferring data from one peripheral to another without CPU intervention, reducing the load on the CPU.

The advanced power management of the LM3S9D81-IBZ80-A2T provides several levels of low-power operation. The processor can be put into various states of sleep, in order to reduce power consumption, and wakeup responses can be configured as well. Finally, the integrated peripherals provide additional energy saving features, such as dynamic power management.

The integrated, energy-saving features of the LM3S9D81-IBZ80-A2T make it a great choice for embedded projects, making it ideally suited for industrial automation, medical applications and energy-aware applications. Its high performance, strong feature set, and low-power operation make it a great choice for those applications which demand precise control and high data throughput.

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