MK712RLF

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MK712RLF is a data acquisition, touch screen controller designed by Marvell Semiconductor, Inc. It is a fully integrated chip with high resolution sensing and display touch panel capabilities, providing a versatile and programmable multi-function touchscreen interface for various applications. The MK712RLF integrates a 16-bit A/D converter, 8-bit DAC and 12-bit PWM digital-to-analog converter to provide a high resolution, accurate and reliable sensing and data capture capability. It supports multiple communication protocols and it can be used with a variety of touch panel technologies, including static, dynamic, pressure sensitive and self-capacitance.

The MK712RLF is composed of several functional blocks for sensing, data transfer, and communication with a host processor. The sensing block is designed to accurately measure the changes in capacitance on the touch screen. The capacitance values are then converted to digital values by the A/D converter. The digital results are collected by the data transfer block, which is responsible for transferring the touch panel data to the host processor. The data transfer block also handles communication with a PC, a printer, and other peripherals. The communications block is responsible for transmission and reception of data from the host processor.

The host processor initiates the proper sequence of operations for the MK712RLF based on the application. The host processor software first sets up the communication interface and configures the MK712RLF registers to define the desired operating parameters. After this process is completed, the host processor can send commands to the chip to begin scanning and capturing the sense signals. The MK712RLF then performs its sensing routine and places the touch panel data in its registers. The data is then read by the host processor, interpreted, and acted upon.

The MK712RLF is designed to work with mobile devices, consumer products, interactive displays, automotive systems and other consumer or industrial applications. It is especially suitable for applications that require accurate sensing performance, programmability and minimized power consumption. Its features and specifications make it an ideal choice for design engineers who are looking for a versatile, high performance and cost-effective touch screen solution.

Overall, the MK712RLF is a versatile and reliable touch screen controller from Marvell Semiconductor, Inc. The chip offers a good combination of features, performance and flexibility for a wide range of applications. With its programmability and low power consumption, the chip can also be easily adapted to different application requirements. The chip’s performance and features make it an ideal choice for design engineers who need a powerful and cost-effective solution for their touch screen interface needs.

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