User Module Datasheet: OneWire Datasheet OneWire V 1.1 (CY8C29/27/24/23/21xxx, CY8CLED02/04/08/16, CY8CLED0xD, CY8CLED0xG, CY8C28x45, CY8CPLC20, CY8CLED16P01, CY8C28xxx)
Last Updated: 10/22/2012
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Version: 1.1
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Features and Overview
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Requires only two I/O pins to interface multiple slave devices
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Functions provided support reading and writing of both bits and bytes
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Function provided for CRC-8 data integrity checking
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Optional CRC-16 function for iButton® data integrity checking
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Optional functions provided for performing One-Wire search for handling multiple devices
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Optional functions provided for overdrive speed supported by some One-Wire devices
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Optional functions provided for parasite power supported by some One-Wire devices
The OneWire User Module is a set of library routines that read and write data as a master using the Maxim Integrated Products 1-Wire® protocol. A One-Wire master may communicate with one or many slave devices using only one signal wire and a ground. The master initiates all data transfers.
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Spec No: 001-43362;
Sunset Owner: VED;
Secondary Owner: LHO;
Sunset Date: 10/07/11
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