Rohde & Schwarz Scope Rider RTH1004 - Page 182

Protocol Analysis
R&S
®
Scope Rider RTH
182User Manual 1326.1578.02 ─ 12
Figure 9-8: 10-bit address, write access
A 10-bit address for read access requires 3 bytes. The first 2 bytes are identical to the
write access address. The third byte repeats the address bits of the first byte and sets
the read bit.
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"
I2C (Option R&S RTH-K1)