LPC1111FDH20/002,5

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LPC1111FDH20/002,5 is an embedded-microcontroller, manufactured by NXP Semiconductors and first released in 2015. It is a Cortex-M0 based microcontroller, with 256K ROM and 32K RAM, a 12-bit ADC, 10-bit DAC, 1 x 10-bit PWM, two repetition counters, two UARTs, one I2C, one SPI and 2 x I2S. The LPC1111FDH20/002,5 also includes a secure digital host controller and is compliant with both ISO/IEC 14443A and ISO/IEC 14443B standards.

LPC1111FDH20/002,5 is suitable for a variety of embedded applications including smart cards, home automation, medical devices, battery powered embedded systems, and automotive electronics. These applications need low-cost and low-power microcontrollers. Since the LPC1111FDH20/002,5 is a Cortex-M0 based processor, it can be programmed in C or C++ language and has a low power consumption. These features make it ideal for a wide range of embedded applications.

The working principle of LPC1111FDH20/002,5 is based on a multi-master, multi-slave architecture, which enables a network of nodes to be formed and individual CPUs to be assigned to each node. All nodes in the network can communicate with each other through the I2C interface, with any node taking the role of master, enabling data communication by message passing. The nodes can also communicate with other nodes through the UART interface, with one CPU acting as master and another as the slave. The SPI (Serial Peripheral Interface) and I2S (Inter-IC Sound) interfaces can be used for linking devices in the network.

The LPC1111FDH20/002,5 features several peripheral units, such as timer/counters, watchdogs, real-time clock and watchdog, which are used for various system monitoring and control purposes such as time-stamping and resetting the module in case of system malfunctions. The 12-bit analog-to-digital converter enables analogue signals to be sampled and converted into digital form, while the 10-bit DAC (Digital-to-Analogue Converter) converts digital signals into analogue signals. The 10-bit PWM (Pulse Width Modulation) can be used to generate pulse trains at a certain frequency and duty cycle, which is useful for controlling the speed of fans or motors.

The LPC1111FDH20/002,5 also includes a secure digital host controller that allows applications to access data stored on secure digital cards. It is compliant with both ISO/IEC 14443A and ISO/IEC 14443B standards, which provide a secure way of transferring data between devices. This feature makes the LPC1111FDH20/002,5 suitable for applications such as e-payment, secure data storage and secure access control.

In conclusion, the LPC1111FDH20/002,5 is a powerful yet energy-efficient microcontroller with a variety of features. Its multi-master, multi-slave architecture, low-power operation and various peripherals make it suitable for a wide range of embedded applications such as smart cards, home automation, medical devices, battery-powered embedded systems and automotive electronics. Its secure digital host controller also makes it suitable for secure applications such as e-payment, secure data storage, and secure access control.

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