Owon XDS4000 Series - Page 59

4.Advanced User Guidebook
53
MENU
SETTING
INSTRUCTION
Bus Type
SPI
Set vertical channel bus type as SPI trigger.
Source
SCL
SDA
Set SCL.
Set SDA.
Time Out
Time out
Set the minimum time that SCL must be idle, that
is a period of SCL, available range 100ns-10s.
Time out means SCL keeps idle for a specified
time before oscilloscope starts to search for the
data(SDA) on which to trigger. adjust M knob or
click to set time out, press panel
button or click move cursor to choose
which digit to be set.
ClockEdg
e&Data
Clock Edge
Set Edge Clock as Rising edge or Falling edge.
Means sample the SDA data on the rising edge or
falling edge of the clock.
Set the number of bits of the serial data character
string. It can be set to any integer between 4-32.
adjust M knob or click to set Data Bits.
Set the number of the data bits, ranges from 0-31,
adjust M knob or click to set Current Bit.
Set the value of the current data bit as H,L or X (H
or L).
Set all the data bits to be the specified value in
Data.
Data Bits
Current Bit
Data
All Bits
Mode
Holdoff
Auto
Normal
Single
Acquire waveform even no trigger occurred
Acquire waveform when trigger occurred
When trigger occurs, acquire one waveform then
stop
4. CAN Trigger (Optional)
CAN (Controller Area Network) is a serial communication protocol of the ISO
international standardization.
By using the CAN bus trigger, you can trigger on Start of Frame, Type of
Frame, Identifier, Data, ID & Data, End of Frame, Missing Ack, or Bit
Stuffing Error. You need to specify the signal source, trigger signal type,