Example 2: To Generate a SPI Digital Waveform
To generate a SPI protocol digital waveform: SPI3 type, 0 clock polarity, 0 clock
phase, low CS lene D0, dvel, 2 Bytes per frame of data transmission, TFS type FS_L,
“01” code pattern, 2 Bytes of output data length, 1 kbps of data transmission rate,
Auto trigger mode, clock liata line D2, CS line D1, Start-stop mark line D3, digital
voltage output of 3.3V.
Operation steps:
1. Press Arb Edit Digital W, to initiate the digital waveform editing
interface.
2. Press Protocol, and use the knob to choose “SPI”. Press the softkey again to
select “SPI”.
3. Press Protocol Setting, for the menu of SPI protocol settings.
1) Press SPI Type; use the softkey or the knob to select “SPI3”.
2) Press Clock Pol; use the softkey or the knob to select “0”.
3) Press Clock Pha; use the softkey or the knob to select “0”.
4) Press CS Level; use the softkey or the knob to select “Low Level”.
5) Press F5 to enter the next page.
6) Press #Data; use the keyboard to input “2”.
7) Press TFS; use the knob to choose “FS_L”. Press the softkey again to
select “FS_L”.
8) Press DONE to complete the SPI protocol setting.
4. Press Code Pat; use the knob to choose “01”. Press the softkey again to select
“01” code.
5. Press F5 to go to the next page.
6. Press Output Lenth, and use the keyboard input 2. Press Enter, (or use the
direction key and the knob to input the value.) the output of data length is set
to be 2 Bytes.
7. Press Rate, and use the keyboard to input “1”. Choose the unit of “kbps”. The
data transmission rate is set to be 1 kbps.
8. Press Trigger, the default is “Auto”. (You cannot set the trigger mode through
this menu. To understand the other trigger mode, please refer to the section
of “To Set the Trigger Mode” in chapter 2.)
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