Author Topic: DS1981U, UniqueWareTM iButton  (Read 1065 times)

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Offline legacy

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DS1981U, UniqueWareTM iButton
« on: January 20, 2016, 07:51:22 pm »
hi guys
I am a bit confused and I am not able to find a good document
I have to reprogram, or to emulate, a chip that is used to provide the MAC-address to a UNIX box
this chip is called "DS1981U", it communicates with the economy of one signal plus ground (and probably it's read only)

someone experienced ?
 

Offline legacy

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Re: DS1981U, UniqueWareTM iButton
« Reply #1 on: January 20, 2016, 07:58:01 pm »
~= 1-Wire device
 

Offline legacy

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Re: DS1981U, UniqueWareTM iButton
« Reply #2 on: January 21, 2016, 11:03:07 am »
What I want to do is make an MPU or a CPLD to become a slave on the 1-wire bus, with DS1981U command list for its specific functions.
 


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