Serial Trigger and Decode
65
Operation Step
1. Touch Setup key to enter the
Trigger
menu.
2. Touch
Type
and select
Serial
.
3. Touch
Protocol
and select
I2C
.
4. Touch
Trigger Setting
softkey.
5. Touch
Condition
and turn the Universal Knob to select the trigger condition:
Figure 7.5
Condition Options
• If EEPROM is selected :
– Touch
Limit Range
to set the qualifier (
=, < or >
).
– Touch
Data1
and set its value by turning the Universal Knob/
• If 7 Addr & Data or 10 Addr & Data is selected:
– Touch
Addr
and turn the Universal Knob to select the 7- bit or 10- bit device address.
– Touch
Data1
or
Data2
and set the value.
– Touch
R/W bit
and select write-frame or read-frame to trigger the oscilloscope.
Note:
If the device’s address is 7-bit, the value of address is in range of 0x00 to 0x7F. If device’s address is 10-bit,
the value of address is in range of 0x00 to 0x3FF.
• If
Data Length
is selected:
– Touch
Address
to set the SDA address length 7bit or 10 bit.
– Touch
Byte Length
and set the byte length by Universal Knob. The range of the Byte Length is 1 to 12.
Summary of Contents for 2194
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