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18.3 I2C Decoding
I2C serial bus consists of the clock line (SCL) and the data line (SDA).
SCL: samples SDA on the rising or falling edge of the clock.
SDA: indicates the data channel.
SCL
SDA
Figure 18.7 I2C Serial Bus
In the
Decode menu, click or tap the drop-down button of Bus Type to select I2C,
then configure the parameters for I2C decoding.
Figure 18.8 I2C Decoding Menu
Bus Status
Click or tap the
Bus Status on/off switch to enable or disable the bus decoding.
Quickly Apply Trigger Settings to Decoding
Copy trig indicates applying the trigger settings to the specified decoding setting.
Click or tap
Copy Trig to apply the trigger settings to the specified decoding setting.
18.3.1 Source Setting
Set the clock channel source and the threshold
• Click or tap the drop-down button of CLK to select the desired source of the
clock channel. Available sources include analog channels CH1-CH4 or digital
Protocol Decoding
DHO900 User Guide
204
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
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