Chapter 7 Protocol Decoding RIGOL
DS1000Z User’s Guide
I2C Decoding (Option)
I2C serial bus consists of the clock line (SCLK) and the data line (SDA).
Host
Device
SCLK
SDA
A2
A
1
A
0
Vcc
SCLK: sample the SDA on the clock rising edge or falling edge.
SDA: denote the data channel.
Press MATH Decode1 Decoder to select “I2C” and open the I2C decoding
function menu.
1. Press Decode to turn on or off the decoding function.
2. SCLK Setting
Press CLK to select any channel (CH1-CH4) as the clock channel.
3. SDA Setting
Press SDA to select any channel (CH1-CH4) as the data channel.
Note that press Exchange to change the source of clock between the clovk
source and data source.
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