LM3S1918-IQC50-A2T

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The LM3S1918-IQC50-A2T is a microcontroller designed for applications within the embedded systems field. The microcontroller is based on the 16-bit, ARM Cortex-M3 processor core and offers enhanced performance, low power consumption and higher system integration. The microcontroller includes the ARM Cortex-M3 processor, memory protection unit, multipliers and dividers, ARM JTAG debug unit, system control CSR, GPIOs, and two separately defined user-programmable GPIOS.

The Cortex-M3 processor core is a high-performance, low-power architectural processor core, ideal for use in embedded systems and other embedded applications. The processor core consists of a 32-bit RISC instruction set, an eight-stage pipeline, an eight-stage execution pipeline, data and instruction caches, and an interworking unit (IU). The processor core also provides an independent debugging capacity for setting breakpoints, watch-points and other debug functions.

The memory protection unit (MPU) is designed to manage accesses to system resources in a secure manner. The unit also manages access from privileged and unprivileged contexts, helping to prevent software attacks from occurring. The MPU also provides system control and ensures that all accesses to the shared system resources are managed in a controlled manner.

The ARM JTAG debug unit is an on-chip debug module that provides access to JTAG debug functions. It includes a JTAG port that allows access to the CPU and memory debugger and allows debug information to be visible through an external debugger. The JTAG port also provides access to a separate set of Breakpoints, Watchpoints and Tracepoints.

The system control CSR is an integrated core that provides control and status register access to the microcontroller. The unit provides access to the memory protection unit, event control and interrupt management, system timer control and reset functions. The CSR also provides access to the debug process and other architectures for software updates.

The GPIOs are dedicated I/O pins that enable hardware designers to implement a variety of applications. Some of the GPIOs enable interrupts, 5V tolerant thresholds and protection from short circuits. The GPIOs can also be configured to use pulse width modulation, real-time clock, SPI, and I2C interfaces.

The two user-programmable GPIOS are separate from the GPIOs and allow hardware designers to quickly and easily configure their hardware designs. These GPIOS include input mapping, programmable interrupt controller, timer channels and other analog, digital and communication functions. The user-programmable GPIOS are also capable of supporting the LCD and touch display interfaces.

The LM3S1918-IQC50-A2T microcontroller is an ideal solution for embedded systems and embedded applications. Its ARM Cortex-M3 processor core provides enhanced performance, low power consumption and higher system integration. The integrated memory protection unit, ARM JTAG debug unit, system control CSR, GPIOs and two user-programmable GPIOs provide access to system resources in a secure and controlled manner. The GPIOs are also capable of supporting pulse width modulation, real-time clocks, SPI, and I2C interfaces. The user-programmable GPIOS provide quick and easy hardware design configuration and are capable of supporting the LCD and touch display interfaces. With these features, the LM3S1918-IQC50-A2T microcontroller is an excellent choice for applications within the embedded systems field.

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