multicomp pro MP720021, Руководство пользователя

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User Manual
53
SPI Trigger menu list:
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 rotary control 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 rotary control or click to set Data Bits.
Set the number of the data bits, ranges from 0-31,
adjust M rotary control 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, sample point, and signal
rate of the CAN signal.