Agilent Technologies MSO6012A User Manual page 166

6000 Series Oscilloscope User's Guide
• Frame (Start: Addr7: Read: Ack: Data: Ack: Data2) or Frame
(Start: Addr7: Write: Ack: Data: Ack: Data2) — The oscilloscope
triggers on a read or write frame in 7-bit addressing mode
on the 26th clock edge if all bits in the pattern match. For
triggering purposes, a restart is treated as a start
condition.
Read
SDA
SCL
Address R/W
Start
Condition
10-bit Write — The oscilloscope triggers on a 10-bit write
•
frame on the 26th clock edge if all bits in the pattern
match. The frame is in the format:
Frame (Start: Address byte 1: Write: Address byte 2: Ack:
Data)
For triggering purposes, a restart is treated as a start
condition.
SDA
SCL
Address
Start or
1st byte
Restart
Condition
7 If you have set the oscilloscope to trigger on an EEPROM
Data Read condition:
Write
Ack
Data
Write
Address
Ack1
R/
2nd byte
Triggering the Oscilloscope
Ack Data 2
Trigger point
26th clock edge
Ack2 Data
Trigger point
26th clock edge
4
Ack
Stop
Condition
Ack
Stop
Condition
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