Data Sheet

RIGOL 8 Protocol Decoding

MSO4000/DS4000 User’s Guide

8-10

I2C Decoding (Option)

I2C serial bus consists of the clock line (SCLK) and the data line (SDA).

Host

Device

SCLK

SDA

Vcc

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 to adjust the vertical display position of the bus.

Press BusStatus to turn the bus display on or off.