Rigol DS6000 Series User Manual page 124

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Address: trigger on the clock (SCL) edge corresponding to the last byte data

(SDA) behind the preset address (Write, Read or R/W direction). After this
trigger condition is selected:
--Press AddrBits to select "7 bit" , "8 bit" or "10 bit";
--Press Address to set the address value according to the setting in AddrBits
and the ranges are from 0 to 127, 0 to 255 and from 0 to 1023 respectively;
--Press Direction to select "Read", "Write" or "R/W". (Note: When AddrBits is
set to "8 bit", this setting is not available.)
Data: the trigger searches for the control byte value on the data line (SDA)

following which there is a reading bit and an acknowledgement bit and then
searches for the specified data value and qualifier. During this event, the
oscilloscope will trigger on the clock edge of the acknowledgement bit behind
the data byte. After this trigger condition is selected:
--Press ByteLength to set the length of data and the range is from 1 to 5;
--Press CurrentBit to select the desired data bit and the range is from 0 to
(ByteLength×8-1);
--Press Data to set the data pattern of the current data bit to X, H or L.
--Press AllBits to set the data pattern of all the data bits to the data pattern
specified in Data.
A&D: trigger when the "Address" and "Data" conditions are met at the same

time. After this trigger condition is selected:
--Press AddrBits to select "7 bit" , "8 bit" or "10 bit";
--Press Address to set the address value according to the setting in AddrBits
and the ranges are from 0 to 127, from 0 to 255 and from 0 to 1023 respectively;
--Press ByteLength to set the length of data and the range is from 1 to 5;
--Press CurrentBit to select the desired data bit and the range is from 0 to
(ByteLength×8-1);
--Press Data to set the data pattern of the current data bit to X, H or L.
--Press AllBits to set the data pattern of all the data bits to the data pattern
specified in Data.
--Press Direction to select "Read", "Write" or "R/W". (Note: When AddrBits is
set to "8 bit", this setting is not available.)
5-22
5 To Trigger the Oscilloscope
DS6000 User's Guide