Dynamically allocating I2C addresses using self bus switching device
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United States of America Patent
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Jun 1, 2004
Grant Date -
N/A
app pub date -
Jan 31, 2001
filing date -
Jan 31, 2001
priority date (Note) -
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Abstract
A method, apparatus and program for dynamically allocating addresses to computer devices connected to Inter Integrated Circuit (I.sup.2 C) buses are provided. Upon resetting a I.sup.2 C bus, the invention uses a bus driver to turn on the first bus switch on the bus. The invention then accesses the first device downstream of the switch and allocates a new value to the device's address. The invention proceeds to turn on the next switch downstream. A new address is then allocated to the device downstream from the second switch. This process continues until all of the devices connected to the bus have unique addresses.
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