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ds1985 i button reading and writing

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alinpy

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how to read and write in an ibutton and also the circuit of ibutton to pc
 

hi ernakulam. There is an apps note here **broken link removed** for interfacing 1-wire to serial interfaces. AN74

Alternatively I have the VHDL for implementing a 1-wire master in an FPGA. It then acts like a register-based peripheral
 
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