I2C 7 bit Address decoding problem

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Enova
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Joined: Tue Apr 14, 2015 6:02 pm
Location: Turkiye

I2C 7 bit Address decoding problem

Post by Enova » Tue Apr 14, 2015 6:56 pm

Hi all,

I am trying to monitor I2C bus 7 bit address -3.3 volts - 400kb/s. I know that the slave's address is 0x30 but decoder gives 0x60. Is there any solution for this problem. You can find system details below.


PicoScope® 6 - PC Oscilloscope software version: 6.10.16.2
Copyright © 1995-2015, Pico Technology Ltd

Model: PicoScope 2205 MSO
Serial Number: CY067/264
USB Version: 2.0
Calibration Date: Wednesday, June 26, 2013
Hardware Version: 1
Driver Version: 1.1.4.42
Firmware Version: 1.3.3.0 / 0.2.29.0

http://i62.tinypic.com/35iqf6p.jpg
http://i57.tinypic.com/dz8dx.jpg
http://i58.tinypic.com/imuhhl.jpg
http://i61.tinypic.com/23vgmro.jpg
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Martyn
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Posts: 3330
Joined: Fri Jun 10, 2011 8:15 am
Location: St. Neots

Re: I2C 7 bit Address decoding problem

Post by Martyn » Tue Apr 21, 2015 9:46 am

Have you tried feeding the signals into the digital channels, and decode them there ?
Martyn
Technical Support Manager

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