User Manual

GDS-3000 Serial Decode User Manual
22
I2C Serial Bus Interface
The I2C (I
2
C) is a single-ended transmission protocol using a serial
data line (SDA) and serial clock line (SCL). The decode software
will trigger on any of the following conditions: a start/stop
condition, a restart, a missing acknowledge message, EEPROM
reads, and read/write frames. The I2C trigger can be configured for
7 or 10 bit addressing with the option to ignore the R/W bit.
Panel operation
20. Insert each of the bus signals (SCLK, SDA) to
one of the oscilloscope channels.
21. Press the corresponding bus key,
B1 or B2.
22. Press Bus from the bottom menu
and choose I2C from the side
menu.
Define Inputs
23. Press Define Inputs from the lower
menu.
24. From the side menu choose the
SCLK input and the SDA Input.
SCLK
CH1~4
SDA
CH1~4
Set the Threshold
25. Press Threshold from the bottom
menu.