Chapter XIX Application Examples
239
Data
Fig. 19.8 RS232 Trigger and Analysis Example
19.9
SPI Trigger and Analysis Example
If you want to observe the transmission of signals on the SPI bus, you can follow these steps below:
1)
Connect the clock line of the SPI bus to the channel 1, connect the SS line to the channel 2, connect the data
line to the channel 3, and click the channel control key on the front panel to open the channels 1, 2 and 3;
2)
Press the
【
Bus
】
key in the Function Area on the front panel to pop up the bus setup menu on the lower
screen. Click the menu key [Bus] on the menu to pop up the bus type selection menu on the right side of the
screen. Click the menu key [SPI], select the SPI bus type, and switch to the SPI bus setup menu at the bottom
of the screen;
3)
Click the menu key [Bus Switch] at the bottom of the screen to turn on the bus decoding function;
4)
Click the menu key [Define Inputs] to pop up the SPI input setup menu on the right side of the screen. Click
the menu key [SCLK Input] to pop up the Level3 Menu of SCLK input selection on the left side of the menu.
Select the channel 1 by turning the Multipurpose b and then pressing the Multipurpose b to confirm Select, or
by directly clicking the channel 1 in the Level3 Menu on the screen. The selected channel is displayed in the
channel selection menu on the right side;
5)
Click the menu key [SS Input] to pop up the Level3 Menu of SS input selection on the left side of the menu.
Select the channel 2 by turning the Multipurpose b and then pressing the Multipurpose b to confirm Select, or
by directly clicking the channel 2 in the Level3 Menu on the screen. The selected channel is displayed in the
channel selection menu on the right side;
6)
Click the menu key [MOSI Input] to pop up the Level3 Menu of MOSI input selection on the left side of the
menu. Select the channel 2 by turning the Multipurpose b and then pressing the Multipurpose b to confirm
Select, or by directly clicking the channel 2 in the Level3 Menu on the screen. The selected channel is
displayed in the channel selection menu on the right side;
7)
Click the menu key [Thresholds] to pop up the SPI channel threshold setup menu on the right side of the
screen. Click the menu key [Channel] to pop up the Level3 Menu of the channel selection on the left side of
the menu and turn the Multipurpose b to select SCLK. Click the menu key [Threshold] and turn the
Multipurpose b to set the threshold of SCLK input channel, or click the menu key [Choose Preset] to pop up
the Level3 Menu of the preset type selection on the left side of the menu and turn the Multipurpose b to
select the preset threshold and then press the Multipurpose b to select the corresponding preset type or
directly click the corresponding type for selection on the screen. Set the thresholds of SS and MOSI in the
same way;
8)
Click the menu key [Bus Display] to pop up the SPI bus display setup menu on the right side of the screen,
click the menu key [Display] to pop up the Level3 Menu of the bus display mode on the left side of the menu,
turn the Multipurpose b to select the bus and waveform display mode and then press the Multipurpose b to
confirm Select, or set directly by clicking the Bus and Waveforms option in the Level3 Menu; click the menu
Summary of Contents for 4456 Series
Page 10: ...VIII...
Page 55: ...Chapter V Trigger System 45 Fig 5 51 RF Test Signal Example...
Page 69: ...Chapter VII Mathematical Operation 59 Fig 7 10 Advanced Math Example...
Page 71: ...Chapter VIII Display System 61 Fig 8 3 Wfm Palette Menu Fig 8 4 Normal Palette...
Page 72: ...Chapter VIII Display System 62 Fig 8 5 Inverted Palette Fig 8 6 Temperature Palette...
Page 75: ...Chapter VIII Display System 65 Fig 8 12 XY Display Example...
Page 165: ...Chapter XI Protocol Analyzer Option 155 Fig 11 242 1553 Trigger and Analysis Example...
