Compass sensor hmc 5883l with at89s52

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Siddique Ahmed Khan

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HI,
I'm trying to interface HMC 5883L with AT89S52. I'm unable to figure out the commands needed to be sent via I2C bus. also what is the actual information which i receive from the HMC IC ???
according to the data sheet data is received in the form of 2's complement HEX value. to what format should i convert it so that i can visualize it on the LCD.

waiting for your reply.
 
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