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RIGOL Chapter 8 Protocol Decoding
8-14 DS1000Z User Guide
sample rate relates to the horizontal time base.
Note: By default, DS1000Z uses "Trace" as the data source.
9. Address Information during Decoding
In I2C bus, the front part of each frame of data contains the address information
and blue patches are used to represent the address ID. In the ID, "Write" is used
to represent writing address and "Read" is used to represent reading address.
Press ADDR to select "Normal" or "R/W". When "R/W" is selected, "AddrBits"
will include the "R/W" bit as a part of the address value.
Figure 8-6 I2C Address Information during Decoding
When the ACK (ACKnowledge Character) is not met, error marks "?" as shown in
the figure below will be displayed.
Figure 8-7 I2C Error Expressions during Decoding
ACK=1
Address ID
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