I2C Decoding (Option) - Rigol MSO4000 User Manual

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I2C Decoding (Option)

I2C serial bus consists of the clock line (SCLK) and the data line (SDA).
SCLK
SDA
Host
SCLK
SDA
SCLK: sample the SDA on the clock rising edge or falling edge.
SDA: denotes the data channel.
Press Decode1  Decode to select "I2C" and open the I2C decoding function
menu.
1. SCLK Setting
Press SCLK to select any channel (CH1-CH4 or D0-D15) as the clock channel.
Press SCLKThreshold to set the threshold of the clock channel.
2. SDA Setting
Press SDA to select any channel (CH1-CH4 or D0-D15) as the data channel.
Press SDAThreshold to set the threshold of the data channel.
3. Display-related Setting
Press Format to set the display format of the bus to Hex, Decimal, Binary or
ASCII.
Press Offset and use
Press BusStatus to turn the bus display on or off.
8-10
Vcc
A2
A1
Device
A0
to adjust the vertical display position of the bus.
8 Protocol Decoding
MSO4000/DS4000 User's Guide