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Triggering the Oscilloscope
To use I2C triggering
6 If you have set the oscilloscope to trigger on a 7-bit address read or write
frame condition or a 10-bit write frame condition:
a Press the Address softkey and turn the Entry knob to select the 7-bit or 10-bit
device address.
You can select from an address range of 0x00 to 0x7F (7-bit) or 0x3FF
(10-bit) hexadecimal. When triggering on a read/write frame, the
oscilloscope will trigger after the start, address, read/write, acknowledge,
and data events occur.
If don’t care is selected (0xXX or 0xXXX) for the address, the address will
be ignored. The trigger will always occur on the 17th clock for 7-bit
addressing or 26th clock for 10-bit addressing.
b Press the Data value softkey and turn the Entry knob to select the 8-bit data
pattern on which to trigger.
You can select a data value in the range of 0x00 to 0xFF (hexadecimal). The
oscilloscope will trigger after the start, address, read/write, acknowledge,
and data events occur.
If don’t care (0xXX) is selected for data, the data will be ignored. The trigger
will always occur on the 17th clock for 7-bit addressing or 26th clock for
10-bit addressing.