Instructions

Table Of Contents
Protocol Analysis
R&S
®
Scope Rider RTH
184User Manual 1326.1578.02 ─ 15
Figure 9-9: 10-bit address, read access
Trigger
The R&S RTH can trigger on various parts of I²C messages. The data and clock lines
must be connected to the input channels, triggering on math and reference waveforms
is not possible.
You can trigger on:
Start or stop condition
Repeated start condition
Transfer direction (read or write)
Bytes with missing acknowledge bit
Specific slave address
Specific data pattern in the message
9.2.2 I2C Configuration Settings
Access: "Bus" menu > "Bus Protocol" = "I2C" > "Config"
SCL, SDA
Set the input source of the data line (SDA) and clock line (SCL).
If option R&S RTH-B1 is installed, digital channels can also be used as source.
Remote command:
BUS:I2C:SCL:SOURce on page 431
BUS:I2C:SDA:SOURce on page 431
I2C (Option R&S
RTH-K1)