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After we finish updating our website, you will be able to set your cookie preferences. To demonstrate this, this reference design provides a GPIO-based 1-Wire library designed for an ARM ® Cortex ® M4 microcontroller, such as the MAX32660, with example programs for interfacing an I 2C or SPI device connected to a DS28E18.Īnalog Devices is in the process of updating our website. The MAXREFDES9002 is a reference design showcasing the DS28E18 that demonstrates how to implement a simple 1-Wire master using only a microcontroller’s GPIO pins. The power for the attached sensors or peripherals is sourced from the 1-Wire line, enabling a very efficient solution to remotely power and control complex devices such as environmental sensors, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and display controllers. A subsequent 1-Wire command reads the collected data. Once loaded, the host controller sends a 1-Wire command to autonomously execute the sequence, power, and collect data from the attached peripherals. The IC provides a 512-byte command sequencer loaded with commands and control data to operate an I 2C or SPI device interfaced to the DS28E18. The DS28E18 is an easy-to-use bridge integrated circuit (IC) that operates as a 1-Wire ® slave device to a host controller.
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