1-13
IM 701610-61E
1
I
2
C-Bus Signal Analysis Function
1.4
Trigger Setting Examples
This section will display the data sequence in bytes (hexadecimal notation) and indicate
the position where the trigger will occur. The following symbols will be used in the
figures:
S:
Start condition
Sr:
Restart condition
P:
Stop condition
Shaded area: Byte pattern to be compared
Start Trigger
A R/W bit
S
25
AE
57
27
FE
98
99
27
P
A4
Trigger activated here
Non-Ack Trigger
A trigger is activated when the Acknowledge bit is not present (when the SDA signal is
set to “H”).
...
...
SDA
SCL
Start condition
1 2 3 4 5 6 7 8 9
A R/W bit
Acknowledge bit
Data byte
Trigger activated here
1 2 3 4 5 6 7 8 9
Acknowledge present (L)
Acknowledge not present (H)
Stop condition
Note
The Acknowledge bit of the start byte and Hs mode master code is not applicable.
